18534360936 has 96 divisors (see below), whose sum is σ = 58047222240. Its totient is φ = 4888179072.

The previous prime is 18534360931. The next prime is 18534360961. The reversal of 18534360936 is 63906343581.

It is not an unprimeable number, because it can be changed into a prime (18534360931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590886 + ... + 621461.

It is an arithmetic number, because the mean of its divisors is an integer number (604658565).

Almost surely, 2^18534360936 is an apocalyptic number.

It is an amenable number.

18534360936 is an abundant number, since it is smaller than the sum of its proper divisors (39512861304).

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

18534360936 is a wasteful number, since it uses less digits than its factorization.

18534360936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212383 (or 1212372 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 18534360936 in words is "eighteen billion, five hundred thirty-four million, three hundred sixty thousand, nine hundred thirty-six".