18132081222696 has 128 divisors (see below), whose sum is σ = 52449692037120. Its totient is φ = 5116266687744.

The previous prime is 18132081222667. The next prime is 18132081222719. The reversal of 18132081222696 is 69622218023181.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37309761 + ... + 37792623.

It is an arithmetic number, because the mean of its divisors is an integer number (409763219040).

Almost surely, 2^{18132081222696} 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 18132081222696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26224846018560).

18132081222696 is an abundant number, since it is smaller than the sum of its proper divisors (34317610814424).

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

18132081222696 is a wasteful number, since it uses less digits than its factorization.

18132081222696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485655 (or 485651 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 18132081222696 in words is "eighteen trillion, one hundred thirty-two billion, eighty-one million, two hundred twenty-two thousand, six hundred ninety-six".