274157664 has 48 divisors (see below), whose sum is σ = 785090880. Its totient is φ = 83077760.

The previous prime is 274157659. The next prime is 274157671. The reversal of 274157664 is 466751472.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128754 + ... + 130865.

It is an arithmetic number, because the mean of its divisors is an integer number (16356060).

Almost surely, 2^274157664 is an apocalyptic number.

274157664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

274157664 is an abundant number, since it is smaller than the sum of its proper divisors (510933216).

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

274157664 is a wasteful number, since it uses less digits than its factorization.

274157664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259643 (or 259635 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 274157664 is about 16557.7070876375. The cubic root of 274157664 is about 649.6310837529.

The spelling of 274157664 in words is "two hundred seventy-four million, one hundred fifty-seven thousand, six hundred sixty-four".