21616050212635 has 32 divisors (see below), whose sum is σ = 27165663100800. Its totient is φ = 16490799897600.

The previous prime is 21616050212623. The next prime is 21616050212683. The reversal of 21616050212635 is 53621205061612.

It is a de Polignac number, because none of the positive numbers 2^k-21616050212635 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4185402 + ... + 7794208.

It is an arithmetic number, because the mean of its divisors is an integer number (848926971900).

Almost surely, 2^{21616050212635} is an apocalyptic number.

21616050212635 is a deficient number, since it is larger than the sum of its proper divisors (5549612888165).

21616050212635 is a wasteful number, since it uses less digits than its factorization.

21616050212635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609351.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 21616050212635 in words is "twenty-one trillion, six hundred sixteen billion, fifty million, two hundred twelve thousand, six hundred thirty-five".