18774366722088 has 128 divisors (see below), whose sum is σ = 50330585088000. Its totient is φ = 5814902246400.

The previous prime is 18774366722063. The next prime is 18774366722141. The reversal of 18774366722088 is 88022766347781.

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, 481881153 + ... + 481920111.

It is an arithmetic number, because the mean of its divisors is an integer number (393207696000).

Almost surely, 2^{18774366722088} 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 18774366722088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25165292544000).

18774366722088 is an abundant number, since it is smaller than the sum of its proper divisors (31556218365912).

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

18774366722088 is a wasteful number, since it uses less digits than its factorization.

18774366722088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54015 (or 54011 counting only the distinct ones).

The product of its (nonzero) digits is 303464448, while the sum is 69.

The spelling of 18774366722088 in words is "eighteen trillion, seven hundred seventy-four billion, three hundred sixty-six million, seven hundred twenty-two thousand, eighty-eight".