Search a number
-
+
10660166055 = 3357111025509
BaseRepresentation
bin10011110110110010…
…10011100110100111
31000111220222112201000
421323121103212213
5133313000303210
64521444204343
7525111626220
oct117331234647
930456875630
1010660166055
1145804275a0
1220960996b3
13100b6c0786
14731acc247
15425d12ac0
hex27b6539a7

10660166055 has 64 divisors (see below), whose sum is σ = 23627750400. Its totient is φ = 4430194560.

The previous prime is 10660166039. The next prime is 10660166059. The reversal of 10660166055 is 55066106601.

It is not a de Polignac number, because 10660166055 - 24 = 10660166039 is a prime.

It is a super-2 number, since 2×106601660552 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10660166059) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 502360 + ... + 523149.

It is an arithmetic number, because the mean of its divisors is an integer number (369183600).

Almost surely, 210660166055 is an apocalyptic number.

10660166055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10660166055 is an abundant number, since it is smaller than the sum of its proper divisors (12967584345).

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

10660166055 is a wasteful number, since it uses less digits than its factorization.

10660166055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025541 (or 1025535 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

It can be divided in two parts, 10660 and 166055, that added together give a triangular number (176715 = T594).

The spelling of 10660166055 in words is "ten billion, six hundred sixty million, one hundred sixty-six thousand, fifty-five".

Divisors: 1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 99 105 135 165 189 231 297 315 385 495 693 945 1155 1485 2079 3465 10395 1025509 3076527 5127545 7178563 9229581 11280599 15382635 21535689 27688743 33841797 35892815 46147905 56402995 64607067 78964193 101525391 107678445 138443715 169208985 193821201 236892579 304576173 323035335 394820965 507626955 710677737 969106005 1184462895 1522880865 2132033211 3553388685 10660166055