56671016728804 has 48 divisors (see below), whose sum is σ = 99411788941696. Its totient is φ = 28267760505600.

The previous prime is 56671016728759. The next prime is 56671016728903. The reversal of 56671016728804 is 40882761017665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12327823834 + ... + 12327828430.

Almost surely, 2^{56671016728804} is an apocalyptic number.

It is an amenable number.

56671016728804 is a deficient number, since it is larger than the sum of its proper divisors (42740772212892).

56671016728804 is a wasteful number, since it uses less digits than its factorization.

56671016728804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9236 (or 9234 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 56671016728804 in words is "fifty-six trillion, six hundred seventy-one billion, sixteen million, seven hundred twenty-eight thousand, eight hundred four".