21655433102632 has 64 divisors (see below), whose sum is σ = 46885552439040. Its totient is φ = 9184700160000.

The previous prime is 21655433102599. The next prime is 21655433102669. The reversal of 21655433102632 is 23620133455612.

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 15 ways as a sum of consecutive naturals, for example, 104739757 + ... + 104946307.

It is an arithmetic number, because the mean of its divisors is an integer number (732586756860).

Almost surely, 2^{21655433102632} is an apocalyptic number.

It is an amenable number.

21655433102632 is an abundant number, since it is smaller than the sum of its proper divisors (25230119336408).

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

21655433102632 is a wasteful number, since it uses less digits than its factorization.

21655433102632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225962 (or 225958 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 21655433102632 in words is "twenty-one trillion, six hundred fifty-five billion, four hundred thirty-three million, one hundred two thousand, six hundred thirty-two".