670672616 has 16 divisors (see below), whose sum is σ = 1257797700. Its totient is φ = 335259904.

The previous prime is 670672609. The next prime is 670672643. The reversal of 670672616 is 616276076.

It can be written as a sum of positive squares in 2 ways, for example, as 668015716 + 2656900 = 25846^2 + 1630^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48530 + ... + 60798.

Almost surely, 2^670672616 is an apocalyptic number.

It is an amenable number.

670672616 is a deficient number, since it is larger than the sum of its proper divisors (587125084).

670672616 is a wasteful number, since it uses less digits than its factorization.

670672616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19108 (or 19104 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 670672616 is about 25897.3476634191. The cubic root of 670672616 is about 875.3267312056.

The spelling of 670672616 in words is "six hundred seventy million, six hundred seventy-two thousand, six hundred sixteen".