657412152 has 32 divisors (see below), whose sum is σ = 1687952400. Its totient is φ = 213214464.

The previous prime is 657412121. The next prime is 657412153. The reversal of 657412152 is 251214756.

It is a super-2 number, since 2×657412152² = 864381475194542208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657412153) 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, 369277 + ... + 371052.

Almost surely, 2^657412152 is an apocalyptic number.

It is an amenable number.

657412152 is an abundant number, since it is smaller than the sum of its proper divisors (1030540248).

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

657412152 is a wasteful number, since it uses less digits than its factorization.

657412152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740375 (or 740371 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 657412152 is about 25640.0497659423. The cubic root of 657412152 is about 869.5193328464.

The spelling of 657412152 in words is "six hundred fifty-seven million, four hundred twelve thousand, one hundred fifty-two".