672657016 has 32 divisors (see below), whose sum is σ = 1279530000. Its totient is φ = 331474176.

The previous prime is 672656989. The next prime is 672657017. The reversal of 672657016 is 610756276.

It is a happy number.

It is a super-2 number, since 2×672657016² = 904934922348048512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 672657016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672657017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247135 + ... + 249841.

Almost surely, 2^672657016 is an apocalyptic number.

It is an amenable number.

672657016 is a deficient number, since it is larger than the sum of its proper divisors (606872984).

672657016 is a wasteful number, since it uses less digits than its factorization.

672657016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151 (or 3147 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 672657016 is about 25935.6321688907. The cubic root of 672657016 is about 876.1891927499.

The spelling of 672657016 in words is "six hundred seventy-two million, six hundred fifty-seven thousand, sixteen".