18165195496 has 32 divisors (see below), whose sum is σ = 38929847040. Its totient is φ = 7784198208.

The previous prime is 18165195493. The next prime is 18165195511. The reversal of 18165195496 is 69459156181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18165195493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797806 + ... + 820258.

It is an arithmetic number, because the mean of its divisors is an integer number (1216557720).

Almost surely, 2^18165195496 is an apocalyptic number.

It is an amenable number.

18165195496 is an abundant number, since it is smaller than the sum of its proper divisors (20764651544).

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

18165195496 is a wasteful number, since it uses less digits than its factorization.

18165195496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36913 (or 36909 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 55.

The spelling of 18165195496 in words is "eighteen billion, one hundred sixty-five million, one hundred ninety-five thousand, four hundred ninety-six".