80513165 has 8 divisors (see below), whose sum is σ = 101700960. Its totient is φ = 61020432.

The previous prime is 80513161. The next prime is 80513171. The reversal of 80513165 is 56131508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80513165 - 2² = 80513161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80513161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423659 + ... + 423848.

It is an arithmetic number, because the mean of its divisors is an integer number (12712620).

Almost surely, 2^80513165 is an apocalyptic number.

It is an amenable number.

80513165 is a deficient number, since it is larger than the sum of its proper divisors (21187795).

80513165 is a wasteful number, since it uses less digits than its factorization.

80513165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847531.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 80513165 is about 8972.9128492369. The cubic root of 80513165 is about 431.8062921128.

The spelling of 80513165 in words is "eighty million, five hundred thirteen thousand, one hundred sixty-five".