555100663680 has 1024 divisors, whose sum is σ = 2106286617600. Its totient is φ = 137952460800.

The previous prime is 555100663661. The next prime is 555100663699. The reversal of 555100663680 is 86366001555.

555100663680 is a `hidden beast` number, since 5 + 5 + 5 + 1 + 0 + 0 + 6 + 636 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (555100663661) and next prime (555100663699).

It is a super-2 number, since 2×555100663680² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1677041115 + ... + 1677041445.

It is an arithmetic number, because the mean of its divisors is an integer number (2056920525).

Almost surely, 2^555100663680 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 555100663680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053143308800).

555100663680 is an abundant number, since it is smaller than the sum of its proper divisors (1551185953920).

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

555100663680 is a wasteful number, since it uses less digits than its factorization.

555100663680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 555100663680 in words is "five hundred fifty-five billion, one hundred million, six hundred sixty-three thousand, six hundred eighty".