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5566668888 = 2331124344579
BaseRepresentation
bin1010010111100110…
…01010000001011000
3112100221200002010210
411023303022001120
542400031401023
62320213011120
7254642622234
oct51363120130
915327602123
105566668888
1123a726a800
1210b4323aa0
136a9387221
143ab44d5c4
15228a8d593
hex14bcca058

5566668888 has 96 divisors (see below), whose sum is σ = 15652929600. Its totient is φ = 1647602880.

The previous prime is 5566668869. The next prime is 5566668889. The reversal of 5566668888 is 8888666655.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566668889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102583 + ... + 147161.

It is an arithmetic number, because the mean of its divisors is an integer number (163051350).

Almost surely, 25566668888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5566668888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7826464800).

5566668888 is an abundant number, since it is smaller than the sum of its proper divisors (10086260712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5566668888 is a wasteful number, since it uses less digits than its factorization.

5566668888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44653 (or 44638 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 66.

The square root of 5566668888 is about 74610.1125049413. The cubic root of 5566668888 is about 1772.2777965045.

The spelling of 5566668888 in words is "five billion, five hundred sixty-six million, six hundred sixty-eight thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 43 44 66 86 88 121 129 132 172 242 258 264 344 363 473 484 516 726 946 968 1032 1419 1452 1892 2838 2904 3784 5203 5676 10406 11352 15609 20812 31218 41624 44579 62436 89158 124872 133737 178316 267474 356632 490369 534948 980738 1069896 1471107 1916897 1961476 2942214 3833794 3922952 5394059 5750691 5884428 7667588 10788118 11501382 11768856 15335176 16182177 21085867 21576236 23002764 32364354 42171734 43152472 46005528 63257601 64728708 84343468 126515202 129457416 168686936 231944537 253030404 463889074 506060808 695833611 927778148 1391667222 1855556296 2783334444 5566668888