100555532656 has 20 divisors (see below), whose sum is σ = 195027019704. Its totient is φ = 50225979200.

The previous prime is 100555532591. The next prime is 100555532689. The reversal of 100555532656 is 656235555001.

It is a super-2 number, since 2×100555532656² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3220675 + ... + 3251746.

Almost surely, 2^100555532656 is an apocalyptic number.

100555532656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100555532656 is a deficient number, since it is larger than the sum of its proper divisors (94471487048).

100555532656 is an equidigital number, since it uses as much as digits as its factorization.

100555532656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6473400 (or 6473394 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 100555532656 in words is "one hundred billion, five hundred fifty-five million, five hundred thirty-two thousand, six hundred fifty-six".