257047336605164 has 12 divisors (see below), whose sum is σ = 514094673210384. Its totient is φ = 110163144259344.

The previous prime is 257047336605121. The next prime is 257047336605197. The reversal of 257047336605164 is 461506633740752.

257047336605164 is an admirable number.

It is a super-3 number, since 3×257047336605164³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4590131010779 + ... + 4590131010834.

It is an arithmetic number, because the mean of its divisors is an integer number (42841222767532).

Almost surely, 2^{257047336605164} is an apocalyptic number.

It is an amenable number.

257047336605164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

257047336605164 is a wasteful number, since it uses less digits than its factorization.

257047336605164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180262021624 (or 9180262021622 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 59.

The spelling of 257047336605164 in words is "two hundred fifty-seven trillion, forty-seven billion, three hundred thirty-six million, six hundred five thousand, one hundred sixty-four".