657045016 has 8 divisors (see below), whose sum is σ = 1231959420. Its totient is φ = 328522504.

The previous prime is 657044987. The next prime is 657045043. The reversal of 657045016 is 610540756.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41065306 + ... + 41065321.

Almost surely, 2^657045016 is an apocalyptic number.

It is an amenable number.

657045016 is a deficient number, since it is larger than the sum of its proper divisors (574914404).

657045016 is a wasteful number, since it uses less digits than its factorization.

657045016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82130633 (or 82130629 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 657045016 is about 25632.8893416251. The cubic root of 657045016 is about 869.3574398376.

The spelling of 657045016 in words is "six hundred fifty-seven million, forty-five thousand, sixteen".