56160561655 has 16 divisors (see below), whose sum is σ = 73533041568. Its totient is φ = 40836400000.

The previous prime is 56160561641. The next prime is 56160561671. The reversal of 56160561655 is 55616506165.

It is not a de Polignac number, because 56160561655 - 2⁵ = 56160561623 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 209745 + ... + 395365.

It is an arithmetic number, because the mean of its divisors is an integer number (4595815098).

Almost surely, 2^56160561655 is an apocalyptic number.

56160561655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56160561655 is a deficient number, since it is larger than the sum of its proper divisors (17372479913).

56160561655 is a wasteful number, since it uses less digits than its factorization.

56160561655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191138.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 56160561655 in words is "fifty-six billion, one hundred sixty million, five hundred sixty-one thousand, six hundred fifty-five".