80358165 has 24 divisors (see below), whose sum is σ = 139496760. Its totient is φ = 42793344.

The previous prime is 80358143. The next prime is 80358211. The reversal of 80358165 is 56185308.

It can be written as a sum of positive squares in 4 ways, for example, as 54774801 + 25583364 = 7401^2 + 5058^2 .

It is not a de Polignac number, because 80358165 - 2⁷ = 80358037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54579 + ... + 56031.

It is an arithmetic number, because the mean of its divisors is an integer number (5812365).

Almost surely, 2^80358165 is an apocalyptic number.

It is an amenable number.

80358165 is a deficient number, since it is larger than the sum of its proper divisors (59138595).

80358165 is a wasteful number, since it uses less digits than its factorization.

80358165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693 (or 2690 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 80358165 is about 8964.2715822313. The cubic root of 80358165 is about 431.5290166661.

The spelling of 80358165 in words is "eighty million, three hundred fifty-eight thousand, one hundred sixty-five".