257316216675 has 48 divisors (see below), whose sum is σ = 489015724800. Its totient is φ = 116950285440.

The previous prime is 257316216667. The next prime is 257316216683. The reversal of 257316216675 is 576612613752.

It is an interprime number because it is at equal distance from previous prime (257316216667) and next prime (257316216683).

It is not a de Polignac number, because 257316216675 - 2³ = 257316216667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1325725 + ... + 1507374.

It is an arithmetic number, because the mean of its divisors is an integer number (10187827600).

Almost surely, 2^257316216675 is an apocalyptic number.

257316216675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

257316216675 is a deficient number, since it is larger than the sum of its proper divisors (231699508125).

257316216675 is a wasteful number, since it uses less digits than its factorization.

257316216675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833292 (or 2833287 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 51.

The spelling of 257316216675 in words is "two hundred fifty-seven billion, three hundred sixteen million, two hundred sixteen thousand, six hundred seventy-five".