56816380071 has 20 divisors (see below), whose sum is σ = 92589657864. Its totient is φ = 34434169200.

The previous prime is 56816379959. The next prime is 56816380079. The reversal of 56816380071 is 17008361865.

56816380071 is a `hidden beast` number, since 5 + 6 + 8 + 1 + 638 + 0 + 0 + 7 + 1 = 666.

It is not a de Polignac number, because 56816380071 - 2¹⁰ = 56816379047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56816379999 and 56816380026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56816380079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31882600 + ... + 31884381.

Almost surely, 2^56816380071 is an apocalyptic number.

56816380071 is a deficient number, since it is larger than the sum of its proper divisors (35773277793).

56816380071 is a wasteful number, since it uses less digits than its factorization.

56816380071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63767004 (or 63766995 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 56816380071 in words is "fifty-six billion, eight hundred sixteen million, three hundred eighty thousand, seventy-one".