10644306656165 has 48 divisors (see below), whose sum is σ = 16009549492608. Its totient is φ = 6734127464064.

The previous prime is 10644306656143. The next prime is 10644306656173. The reversal of 10644306656165 is 56165660344601.

It is not a de Polignac number, because 10644306656165 - 2²⁴ = 10644289878949 is a prime.

It is a super-2 number, since 2×10644306656165² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5545304 + ... + 7213806.

It is an arithmetic number, because the mean of its divisors is an integer number (333532281096).

Almost surely, 2^{10644306656165} is an apocalyptic number.

It is an amenable number.

10644306656165 is a deficient number, since it is larger than the sum of its proper divisors (5365242836443).

10644306656165 is a wasteful number, since it uses less digits than its factorization.

10644306656165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670538 (or 1670531 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 10644306656165 in words is "ten trillion, six hundred forty-four billion, three hundred six million, six hundred fifty-six thousand, one hundred sixty-five".