10645531554165 has 16 divisors (see below), whose sum is σ = 17044429618176. Its totient is φ = 5673757118400.

The previous prime is 10645531554139. The next prime is 10645531554169. The reversal of 10645531554165 is 56145513554601.

10645531554165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10645531554165 - 2²² = 10645527359861 is a prime.

It is a super-2 number, since 2×10645531554165² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10645531554169) 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, 241209106 + ... + 241253235.

It is an arithmetic number, because the mean of its divisors is an integer number (1065276851136).

Almost surely, 2^{10645531554165} is an apocalyptic number.

10645531554165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10645531554165 is a deficient number, since it is larger than the sum of its proper divisors (6398898064011).

10645531554165 is a wasteful number, since it uses less digits than its factorization.

10645531554165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482463820.

The product of its (nonzero) digits is 5400000, while the sum is 51.

The spelling of 10645531554165 in words is "ten trillion, six hundred forty-five billion, five hundred thirty-one million, five hundred fifty-four thousand, one hundred sixty-five".