12857157014166 has 48 divisors (see below), whose sum is σ = 28333610416800. Its totient is φ = 4212519096960.

The previous prime is 12857157014059. The next prime is 12857157014171. The reversal of 12857157014166 is 66141075175821.

12857157014166 is a `hidden beast` number, since 1 + 2 + 8 + 5 + 7 + 1 + 570 + 1 + 4 + 1 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2512266 + ... + 5659133.

It is an arithmetic number, because the mean of its divisors is an integer number (590283550350).

Almost surely, 2^{12857157014166} is an apocalyptic number.

12857157014166 is an abundant number, since it is smaller than the sum of its proper divisors (15476453402634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12857157014166 is a wasteful number, since it uses less digits than its factorization.

12857157014166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172901 (or 8172898 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 12857157014166 in words is "twelve trillion, eight hundred fifty-seven billion, one hundred fifty-seven million, fourteen thousand, one hundred sixty-six".