56681644333692 has 36 divisors (see below), whose sum is σ = 153850177478760. Its totient is φ = 16194755523744.

The previous prime is 56681644333681. The next prime is 56681644333753. The reversal of 56681644333692 is 29633344618665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48198676567 + ... + 48198677742.

Almost surely, 2^{56681644333692} is an apocalyptic number.

It is an amenable number.

56681644333692 is an abundant number, since it is smaller than the sum of its proper divisors (97168533145068).

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

56681644333692 is a wasteful number, since it uses less digits than its factorization.

56681644333692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96397354330 (or 96397354321 counting only the distinct ones).

The product of its digits is 403107840, while the sum is 66.

The spelling of 56681644333692 in words is "fifty-six trillion, six hundred eighty-one billion, six hundred forty-four million, three hundred thirty-three thousand, six hundred ninety-two".