22053643265665 has 16 divisors (see below), whose sum is σ = 28873680782976. Its totient is φ = 16037092800000.

The previous prime is 22053643265651. The next prime is 22053643265677. The reversal of 22053643265665 is 56656234635022.

It is a de Polignac number, because none of the positive numbers 2^k-22053643265665 is a prime.

It is a super-2 number, since 2×22053643265665² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian 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, 23542461 + ... + 24461290.

It is an arithmetic number, because the mean of its divisors is an integer number (1804605048936).

Almost surely, 2^{22053643265665} is an apocalyptic number.

It is an amenable number.

22053643265665 is a deficient number, since it is larger than the sum of its proper divisors (6820037517311).

22053643265665 is a wasteful number, since it uses less digits than its factorization.

22053643265665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48012120.

The product of its (nonzero) digits is 46656000, while the sum is 55.

The spelling of 22053643265665 in words is "twenty-two trillion, fifty-three billion, six hundred forty-three million, two hundred sixty-five thousand, six hundred sixty-five".