257096845168 has 20 divisors (see below), whose sum is σ = 499439463640. Its totient is φ = 128209241664.

The previous prime is 257096845151. The next prime is 257096845183. The reversal of 257096845168 is 861548690752.

It is a congruent number.

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, 21192555 + ... + 21204682.

It is an arithmetic number, because the mean of its divisors is an integer number (24971973182).

Almost surely, 2^257096845168 is an apocalyptic number.

It is an amenable number.

257096845168 is a deficient number, since it is larger than the sum of its proper divisors (242342618472).

257096845168 is a wasteful number, since it uses less digits than its factorization.

257096845168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42397624 (or 42397618 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 257096845168 in words is "two hundred fifty-seven billion, ninety-six million, eight hundred forty-five thousand, one hundred sixty-eight".