672716168 has 32 divisors (see below), whose sum is σ = 1273881600. Its totient is φ = 333032448.

The previous prime is 672716153. The next prime is 672716173. The reversal of 672716168 is 861617276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368105 + ... + 369927.

It is an arithmetic number, because the mean of its divisors is an integer number (39808800).

Almost surely, 2^672716168 is an apocalyptic number.

It is an amenable number.

672716168 is a deficient number, since it is larger than the sum of its proper divisors (601165432).

672716168 is a wasteful number, since it uses less digits than its factorization.

672716168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261 (or 2257 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 672716168 is about 25936.7725054603. The cubic root of 672716168 is about 876.2148753899.

The spelling of 672716168 in words is "six hundred seventy-two million, seven hundred sixteen thousand, one hundred sixty-eight".