620660716 has 12 divisors (see below), whose sum is σ = 1169706832. Its totient is φ = 286458768.

The previous prime is 620660699. The next prime is 620660723. The reversal of 620660716 is 617066026.

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, 5967840 + ... + 5967943.

Almost surely, 2^620660716 is an apocalyptic number.

It is an amenable number.

620660716 is a deficient number, since it is larger than the sum of its proper divisors (549046116).

620660716 is a wasteful number, since it uses less digits than its factorization.

620660716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11935800 (or 11935798 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 620660716 is about 24913.0631597160. The cubic root of 620660716 is about 853.0046906803.

The spelling of 620660716 in words is "six hundred twenty million, six hundred sixty thousand, seven hundred sixteen".