657157950152 has 32 divisors (see below), whose sum is σ = 1348970349600. Its totient is φ = 297645129600.

The previous prime is 657157950149. The next prime is 657157950199. The reversal of 657157950152 is 251059751756.

It is a junction number, because it is equal to n+sod(n) for n = 657157950094 and 657157950103.

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, 13263002 + ... + 13312457.

It is an arithmetic number, because the mean of its divisors is an integer number (42155323425).

Almost surely, 2^657157950152 is an apocalyptic number.

It is an amenable number.

657157950152 is an abundant number, since it is smaller than the sum of its proper divisors (691812399448).

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

657157950152 is a wasteful number, since it uses less digits than its factorization.

657157950152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26575757 (or 26575753 counting only the distinct ones).

The product of its (nonzero) digits is 3307500, while the sum is 53.

The spelling of 657157950152 in words is "six hundred fifty-seven billion, one hundred fifty-seven million, nine hundred fifty thousand, one hundred fifty-two".