100663432056 has 48 divisors (see below), whose sum is σ = 297414687960. Its totient is φ = 30504070080.

The previous prime is 100663432027. The next prime is 100663432123. The reversal of 100663432056 is 650234366001.

100663432056 is a `hidden beast` number, since 10 + 0 + 6 + 634 + 3 + 2 + 0 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 100663432056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63549355 + ... + 63550938.

Almost surely, 2^100663432056 is an apocalyptic number.

It is an amenable number.

100663432056 is an abundant number, since it is smaller than the sum of its proper divisors (196751255904).

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

100663432056 is a wasteful number, since it uses less digits than its factorization.

100663432056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127100316 (or 127100309 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 100663432056 its reverse (650234366001), we get a palindrome (750897798057).

The spelling of 100663432056 in words is "one hundred billion, six hundred sixty-three million, four hundred thirty-two thousand, fifty-six".