672957158557952 has 72 divisors (see below), whose sum is σ = 1407810215797440. Its totient is φ = 320443620710400.

The previous prime is 672957158557939. The next prime is 672957158557967. The reversal of 672957158557952 is 259755851759276.

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, 248199674 + ... + 250896377.

Almost surely, 2^{672957158557952} is an apocalyptic number.

It is an amenable number.

672957158557952 is an abundant number, since it is smaller than the sum of its proper divisors (734853057239488).

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

672957158557952 is a wasteful number, since it uses less digits than its factorization.

672957158557952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499096319 (or 499096305 counting only the distinct ones).

The product of its digits is 16669800000, while the sum is 83.

The spelling of 672957158557952 in words is "six hundred seventy-two trillion, nine hundred fifty-seven billion, one hundred fifty-eight million, five hundred fifty-seven thousand, nine hundred fifty-two".