616166672 has 40 divisors (see below), whose sum is σ = 1303860000. Its totient is φ = 279751680.

The previous prime is 616166653. The next prime is 616166689. The reversal of 616166672 is 276661616.

It is a super-2 number, since 2×616166672² = 759322735367111168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218423 + ... + 221225.

It is an arithmetic number, because the mean of its divisors is an integer number (32596500).

Almost surely, 2^616166672 is an apocalyptic number.

It is an amenable number.

616166672 is an abundant number, since it is smaller than the sum of its proper divisors (687693328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616166672 is a wasteful number, since it uses less digits than its factorization.

616166672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071 (or 4065 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 616166672 is about 24822.7047680143. The cubic root of 616166672 is about 850.9409059478.

The spelling of 616166672 in words is "six hundred sixteen million, one hundred sixty-six thousand, six hundred seventy-two".