21736616361102 has 32 divisors (see below), whose sum is σ = 50845886227200. Its totient is φ = 6864194640024.

The previous prime is 21736616361091. The next prime is 21736616361143. The reversal of 21736616361102 is 20116361663712.

21736616361102 is a `hidden beast` number, since 2 + 1 + 7 + 3 + 6 + 6 + 1 + 636 + 1 + 1 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10592891938 + ... + 10592893989.

It is an arithmetic number, because the mean of its divisors is an integer number (1588933944600).

Almost surely, 2^{21736616361102} is an apocalyptic number.

21736616361102 is an abundant number, since it is smaller than the sum of its proper divisors (29109269866098).

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

21736616361102 is a wasteful number, since it uses less digits than its factorization.

21736616361102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21185785957 (or 21185785951 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 21736616361102 in words is "twenty-one trillion, seven hundred thirty-six billion, six hundred sixteen million, three hundred sixty-one thousand, one hundred two".