657135000018 has 40 divisors (see below), whose sum is σ = 1682821907712. Its totient is φ = 187752856824.

The previous prime is 657134999993. The next prime is 657135000061. The reversal of 657135000018 is 810000531756.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 289740930 + ... + 289743197.

Almost surely, 2^657135000018 is an apocalyptic number.

657135000018 is an abundant number, since it is smaller than the sum of its proper divisors (1025686907694).

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

657135000018 is a wasteful number, since it uses less digits than its factorization.

657135000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579484148 (or 579484139 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 657135000018 in words is "six hundred fifty-seven billion, one hundred thirty-five million, eighteen", and thus it is an aban number.