3656122165051 has 16 divisors (see below), whose sum is σ = 3809328929280. Its totient is φ = 3507000456960.

The previous prime is 3656122165021. The next prime is 3656122165097. The reversal of 3656122165051 is 1505612216563.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3656122165051 - 2²⁵ = 3656088610619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3656122164989 and 3656122165007.

It is not an unprimeable number, because it can be changed into a prime (3656122165021) 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, 4092591 + ... + 4905256.

It is an arithmetic number, because the mean of its divisors is an integer number (238083058080).

Almost surely, 2^{3656122165051} is an apocalyptic number.

3656122165051 is a deficient number, since it is larger than the sum of its proper divisors (153206764229).

3656122165051 is an equidigital number, since it uses as much as digits as its factorization.

3656122165051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8998074.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 3656122165051 in words is "three trillion, six hundred fifty-six billion, one hundred twenty-two million, one hundred sixty-five thousand, fifty-one".