657063012 has 24 divisors (see below), whose sum is σ = 1537099200. Its totient is φ = 218456416.

The previous prime is 657062977. The next prime is 657063019. The reversal of 657063012 is 210360756.

It is not an unprimeable number, because it can be changed into a prime (657063019) 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, 65712 + ... + 75047.

It is an arithmetic number, because the mean of its divisors is an integer number (64045800).

Almost surely, 2^657063012 is an apocalyptic number.

It is an amenable number.

657063012 is an abundant number, since it is smaller than the sum of its proper divisors (880036188).

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

657063012 is a wasteful number, since it uses less digits than its factorization.

657063012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141155 (or 141153 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 657063012 is about 25633.2403726099. The cubic root of 657063012 is about 869.3653767944.

The spelling of 657063012 in words is "six hundred fifty-seven million, sixty-three thousand, twelve".