257674161160 has 32 divisors (see below), whose sum is σ = 624364314840. Its totient is φ = 95141228544.

The previous prime is 257674161137. The next prime is 257674161161. The reversal of 257674161160 is 61161476752.

It can be written as a sum of positive squares in 4 ways, for example, as 101660220964 + 156013940196 = 318842^2 + 394986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 257674161160.

It is not an unprimeable number, because it can be changed into a prime (257674161161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247763097 + ... + 247764136.

Almost surely, 2^257674161160 is an apocalyptic number.

257674161160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

257674161160 is an abundant number, since it is smaller than the sum of its proper divisors (366690153680).

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

257674161160 is a wasteful number, since it uses less digits than its factorization.

257674161160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495527257 (or 495527253 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 257674161160 in words is "two hundred fifty-seven billion, six hundred seventy-four million, one hundred sixty-one thousand, one hundred sixty".