80160685 has 24 divisors (see below), whose sum is σ = 108620568. Its totient is φ = 56707200.

The previous prime is 80160683. The next prime is 80160719. The reversal of 80160685 is 58606108.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39175081 + 40985604 = 6259^2 + 6402^2 .

It is not a de Polignac number, because 80160685 - 2¹ = 80160683 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80160685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80160683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20595 + ... + 24175.

It is an arithmetic number, because the mean of its divisors is an integer number (4525857).

Almost surely, 2^80160685 is an apocalyptic number.

80160685 is the 4477-th decagonal number.

It is an amenable number.

80160685 is a deficient number, since it is larger than the sum of its proper divisors (28459883).

80160685 is a wasteful number, since it uses less digits than its factorization.

80160685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645 (or 3634 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 80160685 is about 8953.2499685868. The cubic root of 80160685 is about 431.1752328548.

The spelling of 80160685 in words is "eighty million, one hundred sixty thousand, six hundred eighty-five".