18080509796 has 12 divisors (see below), whose sum is σ = 32376727152. Its totient is φ = 8830016328.

The previous prime is 18080509721. The next prime is 18080509807. The reversal of 18080509796 is 69790508081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52559450 + ... + 52559793.

It is an arithmetic number, because the mean of its divisors is an integer number (2698060596).

Almost surely, 2^18080509796 is an apocalyptic number.

It is an amenable number.

18080509796 is a deficient number, since it is larger than the sum of its proper divisors (14296217356).

18080509796 is a wasteful number, since it uses less digits than its factorization.

18080509796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105119290 (or 105119288 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 18080509796 in words is "eighteen billion, eighty million, five hundred nine thousand, seven hundred ninety-six".