80360018636 has 12 divisors (see below), whose sum is σ = 140633198328. Its totient is φ = 40179104832.

The previous prime is 80360018603. The next prime is 80360018647. The reversal of 80360018636 is 63681006308.

It is a junction number, because it is equal to n+sod(n) for n = 80360018593 and 80360018602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406 + ... + 400901.

It is an arithmetic number, because the mean of its divisors is an integer number (11719433194).

Almost surely, 2^80360018636 is an apocalyptic number.

It is an amenable number.

80360018636 is a deficient number, since it is larger than the sum of its proper divisors (60273179692).

80360018636 is a wasteful number, since it uses less digits than its factorization.

80360018636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452248 (or 452246 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 80360018636 in words is "eighty billion, three hundred sixty million, eighteen thousand, six hundred thirty-six".