22156655165403 has 16 divisors (see below), whose sum is σ = 32299639056000. Its totient is φ = 13398368775680.

The previous prime is 22156655165389. The next prime is 22156655165441. The reversal of 22156655165403 is 30456155665122.

It is a cyclic number.

It is not a de Polignac number, because 22156655165403 - 2⁴ = 22156655165387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22156655165483) 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, 747662013 + ... + 747691646.

It is an arithmetic number, because the mean of its divisors is an integer number (2018727441000).

Almost surely, 2^{22156655165403} is an apocalyptic number.

22156655165403 is a deficient number, since it is larger than the sum of its proper divisors (10142983890597).

22156655165403 is a wasteful number, since it uses less digits than its factorization.

22156655165403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495354122.

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 22156655165403 in words is "twenty-two trillion, one hundred fifty-six billion, six hundred fifty-five million, one hundred sixty-five thousand, four hundred three".