80160729 has 32 divisors (see below), whose sum is σ = 126365184. Its totient is φ = 44647680.

The previous prime is 80160719. The next prime is 80160739. The reversal of 80160729 is 92706108.

It is an interprime number because it is at equal distance from previous prime (80160719) and next prime (80160739).

It is not a de Polignac number, because 80160729 - 2⁸ = 80160473 is a prime.

It is a super-2 number, since 2×80160729² = 12851484947622882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 80160729.

It is not an unprimeable number, because it can be changed into a prime (80160719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22462 + ... + 25784.

It is an arithmetic number, because the mean of its divisors is an integer number (3948912).

Almost surely, 2^80160729 is an apocalyptic number.

It is an amenable number.

80160729 is a deficient number, since it is larger than the sum of its proper divisors (46204455).

80160729 is a wasteful number, since it uses less digits than its factorization.

80160729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 80160729 is about 8953.2524257948. The cubic root of 80160729 is about 431.1753117452.

The spelling of 80160729 in words is "eighty million, one hundred sixty thousand, seven hundred twenty-nine".