18450097516718 has 24 divisors (see below), whose sum is σ = 32525429659632. Its totient is φ = 7825667278464.

The previous prime is 18450097516709. The next prime is 18450097516777. The reversal of 18450097516718 is 81761579005481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 970435346 + ... + 970454357.

It is an arithmetic number, because the mean of its divisors is an integer number (1355226235818).

Almost surely, 2^{18450097516718} is an apocalyptic number.

18450097516718 is a deficient number, since it is larger than the sum of its proper divisors (14075332142914).

18450097516718 is a wasteful number, since it uses less digits than its factorization.

18450097516718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940889816 (or 1940889809 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 62.

The spelling of 18450097516718 in words is "eighteen trillion, four hundred fifty billion, ninety-seven million, five hundred sixteen thousand, seven hundred eighteen".