18136294098864 has 80 divisors (see below), whose sum is σ = 47470739282400. Its totient is φ = 5965963223040.

The previous prime is 18136294098829. The next prime is 18136294098869. The reversal of 18136294098864 is 46889049263181.

It is not an unprimeable number, because it can be changed into a prime (18136294098869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3955647 + ... + 7205534.

It is an arithmetic number, because the mean of its divisors is an integer number (593384241030).

Almost surely, 2^{18136294098864} is an apocalyptic number.

It is an amenable number.

18136294098864 is an abundant number, since it is smaller than the sum of its proper divisors (29334445183536).

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

18136294098864 is a wasteful number, since it uses less digits than its factorization.

18136294098864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161638 (or 11161632 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 69.

The spelling of 18136294098864 in words is "eighteen trillion, one hundred thirty-six billion, two hundred ninety-four million, ninety-eight thousand, eight hundred sixty-four".