657413516 has 12 divisors (see below), whose sum is σ = 1178534280. Its totient is φ = 320689440.

The previous prime is 657413513. The next prime is 657413563. The reversal of 657413516 is 615314756.

It is a self number, because there is not a number n which added to its sum of digits gives 657413516.

It is not an unprimeable number, because it can be changed into a prime (657413513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004146 + ... + 2004473.

It is an arithmetic number, because the mean of its divisors is an integer number (98211190).

Almost surely, 2^657413516 is an apocalyptic number.

It is an amenable number.

657413516 is a deficient number, since it is larger than the sum of its proper divisors (521120764).

657413516 is a wasteful number, since it uses less digits than its factorization.

657413516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008664 (or 4008662 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 657413516 is about 25640.0763649409. The cubic root of 657413516 is about 869.5199342061.

The spelling of 657413516 in words is "six hundred fifty-seven million, four hundred thirteen thousand, five hundred sixteen".