22536616251605 has 16 divisors (see below), whose sum is σ = 27093969745920. Its totient is φ = 17995965247488.

The previous prime is 22536616251601. The next prime is 22536616251613. The reversal of 22536616251605 is 50615261663522.

It is a cyclic number.

It is not a de Polignac number, because 22536616251605 - 2² = 22536616251601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22536616251601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5401844 + ... + 8617026.

It is an arithmetic number, because the mean of its divisors is an integer number (1693373109120).

Almost surely, 2^{22536616251605} is an apocalyptic number.

It is an amenable number.

22536616251605 is a deficient number, since it is larger than the sum of its proper divisors (4557353494315).

22536616251605 is a wasteful number, since it uses less digits than its factorization.

22536616251605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217780.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 22536616251605 in words is "twenty-two trillion, five hundred thirty-six billion, six hundred sixteen million, two hundred fifty-one thousand, six hundred five".