21616206045032 has 8 divisors (see below), whose sum is σ = 40530386334450. Its totient is φ = 10808103022512.

The previous prime is 21616206044987. The next prime is 21616206045061. The reversal of 21616206045032 is 23054060261612.

It can be written as a sum of positive squares in only one way, i.e., 11193213331876 + 10422992713156 = 3345626^2 + 3228466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1351012877807 + ... + 1351012877822.

Almost surely, 2^{21616206045032} is an apocalyptic number.

It is an amenable number.

21616206045032 is a deficient number, since it is larger than the sum of its proper divisors (18914180289418).

21616206045032 is a wasteful number, since it uses less digits than its factorization.

21616206045032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702025755635 (or 2702025755631 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 21616206045032 in words is "twenty-one trillion, six hundred sixteen billion, two hundred six million, forty-five thousand, thirty-two".