657140152 has 16 divisors (see below), whose sum is σ = 1237429440. Its totient is φ = 327158976.

The previous prime is 657140101. The next prime is 657140167. The reversal of 657140152 is 251041756.

657140152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174408 + ... + 178135.

It is an arithmetic number, because the mean of its divisors is an integer number (77339340).

Almost surely, 2^657140152 is an apocalyptic number.

It is an amenable number.

657140152 is a deficient number, since it is larger than the sum of its proper divisors (580289288).

657140152 is a wasteful number, since it uses less digits than its factorization.

657140152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352782 (or 352778 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 657140152 is about 25634.7450153108. The cubic root of 657140152 is about 869.3993969820.

The spelling of 657140152 in words is "six hundred fifty-seven million, one hundred forty thousand, one hundred fifty-two".