18465464192 has 96 divisors (see below), whose sum is σ = 45310129920. Its totient is φ = 7448211456.

The previous prime is 18465464189. The next prime is 18465464219. The reversal of 18465464192 is 29146456481.

It is a self number, because there is not a number n which added to its sum of digits gives 18465464192.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20033 + ... + 193215.

It is an arithmetic number, because the mean of its divisors is an integer number (471980520).

Almost surely, 2^18465464192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18465464192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22655064960).

18465464192 is an abundant number, since it is smaller than the sum of its proper divisors (26844665728).

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

18465464192 is a wasteful number, since it uses less digits than its factorization.

18465464192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173228 (or 173209 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The spelling of 18465464192 in words is "eighteen billion, four hundred sixty-five million, four hundred sixty-four thousand, one hundred ninety-two".