18467467872 has 96 divisors (see below), whose sum is σ = 55428613632. Its totient is φ = 5273923584.

The previous prime is 18467467853. The next prime is 18467467877. The reversal of 18467467872 is 27876476481.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18467467877) 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, 1780333 + ... + 1790675.

It is an arithmetic number, because the mean of its divisors is an integer number (577381392).

Almost surely, 2^18467467872 is an apocalyptic number.

18467467872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18467467872 is an abundant number, since it is smaller than the sum of its proper divisors (36961145760).

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

18467467872 is a wasteful number, since it uses less digits than its factorization.

18467467872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13020 (or 13012 counting only the distinct ones).

The product of its digits is 25288704, while the sum is 60.

The spelling of 18467467872 in words is "eighteen billion, four hundred sixty-seven million, four hundred sixty-seven thousand, eight hundred seventy-two".