253162157274 has 24 divisors (see below), whose sum is σ = 590711700852. Its totient is φ = 77896048320.

The previous prime is 253162157267. The next prime is 253162157309. The reversal of 253162157274 is 472751261352.

253162157274 is a `hidden beast` number, since 2 + 5 + 3 + 1 + 6 + 2 + 1 + 572 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 237787893225 + 15374264049 = 487635^2 + 123993^2 .

It is a super-2 number, since 2×253162157274² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540944547 + ... + 540945014.

Almost surely, 2^253162157274 is an apocalyptic number.

253162157274 is an abundant number, since it is smaller than the sum of its proper divisors (337549543578).

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

253162157274 is a wasteful number, since it uses less digits than its factorization.

253162157274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081889582 (or 1081889579 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The spelling of 253162157274 in words is "two hundred fifty-three billion, one hundred sixty-two million, one hundred fifty-seven thousand, two hundred seventy-four".