616672899 has 8 divisors (see below), whose sum is σ = 913589520. Its totient is φ = 411115248.

The previous prime is 616672883. The next prime is 616672939. The reversal of 616672899 is 998276616.

It is not a de Polignac number, because 616672899 - 2⁴ = 616672883 is a prime.

It is a super-2 number, since 2×616672899² = 760570928722128402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (616672799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11419842 + ... + 11419895.

It is an arithmetic number, because the mean of its divisors is an integer number (114198690).

Almost surely, 2^616672899 is an apocalyptic number.

616672899 is a deficient number, since it is larger than the sum of its proper divisors (296916621).

616672899 is a wasteful number, since it uses less digits than its factorization.

616672899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22839746 (or 22839740 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 616672899 is about 24832.8995286495. The cubic root of 616672899 is about 851.1738793545.

The spelling of 616672899 in words is "six hundred sixteen million, six hundred seventy-two thousand, eight hundred ninety-nine".