80165636 has 24 divisors (see below), whose sum is σ = 148092000. Its totient is φ = 37865664.

The previous prime is 80165623. The next prime is 80165639. The reversal of 80165636 is 63656108.

It is a junction number, because it is equal to n+sod(n) for n = 80165596 and 80165605.

It is not an unprimeable number, because it can be changed into a prime (80165639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29795 + ... + 32373.

It is an arithmetic number, because the mean of its divisors is an integer number (6170500).

Almost surely, 2^80165636 is an apocalyptic number.

It is an amenable number.

80165636 is a deficient number, since it is larger than the sum of its proper divisors (67926364).

80165636 is a wasteful number, since it uses less digits than its factorization.

80165636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 80165636 is about 8953.5264560954. The cubic root of 80165636 is about 431.1841096279.

The spelling of 80165636 in words is "eighty million, one hundred sixty-five thousand, six hundred thirty-six".