18596121164 has 6 divisors (see below), whose sum is σ = 32543212044. Its totient is φ = 9298060580.

The previous prime is 18596121163. The next prime is 18596121169. The reversal of 18596121164 is 46112169581.

It is not an unprimeable number, because it can be changed into a prime (18596121163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2324515142 + ... + 2324515149.

It is an arithmetic number, because the mean of its divisors is an integer number (5423868674).

Almost surely, 2^18596121164 is an apocalyptic number.

It is an amenable number.

18596121164 is a deficient number, since it is larger than the sum of its proper divisors (13947090880).

18596121164 is a wasteful number, since it uses less digits than its factorization.

18596121164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649030295 (or 4649030293 counting only the distinct ones).

The product of its digits is 103680, while the sum is 44.

The spelling of 18596121164 in words is "eighteen billion, five hundred ninety-six million, one hundred twenty-one thousand, one hundred sixty-four".