18097090784 has 48 divisors (see below), whose sum is σ = 37739284128. Its totient is φ = 8512929792.

The previous prime is 18097090763. The next prime is 18097090789. The reversal of 18097090784 is 48709079081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18097090789) 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, 1875797 + ... + 1885419.

It is an arithmetic number, because the mean of its divisors is an integer number (786235086).

Almost surely, 2^18097090784 is an apocalyptic number.

It is an amenable number.

18097090784 is an abundant number, since it is smaller than the sum of its proper divisors (19642193344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18097090784 is a wasteful number, since it uses less digits than its factorization.

18097090784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13107 (or 13099 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 53.

The spelling of 18097090784 in words is "eighteen billion, ninety-seven million, ninety thousand, seven hundred eighty-four".