80056161 has 8 divisors (see below), whose sum is σ = 118601760. Its totient is φ = 53370756.

The previous prime is 80056159. The next prime is 80056187. The reversal of 80056161 is 16165008.

It is not a de Polignac number, because 80056161 - 2¹ = 80056159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2965043 = 80056161 / (8 + 0 + 0 + 5 + 6 + 1 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (80256161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482495 + ... + 1482548.

It is an arithmetic number, because the mean of its divisors is an integer number (14825220).

Almost surely, 2^80056161 is an apocalyptic number.

It is an amenable number.

80056161 is a deficient number, since it is larger than the sum of its proper divisors (38545599).

80056161 is a wasteful number, since it uses less digits than its factorization.

80056161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965052 (or 2965046 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 80056161 is about 8947.4108545433. The cubic root of 80056161 is about 430.9877437599.

The spelling of 80056161 in words is "eighty million, fifty-six thousand, one hundred sixty-one".