56072107169 has 16 divisors (see below), whose sum is σ = 63147044352. Its totient is φ = 49401430848.

The previous prime is 56072107151. The next prime is 56072107237. The reversal of 56072107169 is 96170127065.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56072107169 is a prime.

It is a super-2 number, since 2×56072107169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56072107769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64082 + ... + 340955.

It is an arithmetic number, because the mean of its divisors is an integer number (3946690272).

Almost surely, 2^56072107169 is an apocalyptic number.

It is an amenable number.

56072107169 is a deficient number, since it is larger than the sum of its proper divisors (7074937183).

56072107169 is a wasteful number, since it uses less digits than its factorization.

56072107169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405536.

The product of its (nonzero) digits is 158760, while the sum is 44.

The spelling of 56072107169 in words is "fifty-six billion, seventy-two million, one hundred seven thousand, one hundred sixty-nine".