866160057132513 has 160 divisors (see below), whose sum is σ = 1611783394784640. Its totient is φ = 455710811581440.

The previous prime is 866160057132457. The next prime is 866160057132521. The reversal of 866160057132513 is 315231750061668.

866160057132513 is a `hidden beast` number, since 8 + 6 + 6 + 1 + 60 + 0 + 57 + 13 + 2 + 513 = 666.

It is not a de Polignac number, because 866160057132513 - 2⁸ = 866160057132257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 866160057132513.

It is not an unprimeable number, because it can be changed into a prime (866160057182513) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 15786631 + ... + 44514467.

It is an arithmetic number, because the mean of its divisors is an integer number (10073646217404).

Almost surely, 2^{866160057132513} is an apocalyptic number.

It is an amenable number.

866160057132513 is a deficient number, since it is larger than the sum of its proper divisors (745623337652127).

866160057132513 is a wasteful number, since it uses less digits than its factorization.

866160057132513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28728029 (or 28728020 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 866160057132513 in words is "eight hundred sixty-six trillion, one hundred sixty billion, fifty-seven million, one hundred thirty-two thousand, five hundred thirteen".