118022636466 has 144 divisors (see below), whose sum is σ = 310457137536. Its totient is φ = 33504909984.

The previous prime is 118022636453. The next prime is 118022636483. The reversal of 118022636466 is 664636220811.

118022636466 is a `hidden beast` number, since 1 + 1 + 8 + 0 + 2 + 2 + 636 + 4 + 6 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3723015 + ... + 3754581.

It is an arithmetic number, because the mean of its divisors is an integer number (2155952344).

Almost surely, 2^118022636466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118022636466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155228568768).

118022636466 is an abundant number, since it is smaller than the sum of its proper divisors (192434501070).

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

118022636466 is a wasteful number, since it uses less digits than its factorization.

118022636466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31755 (or 31736 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 118022636466 in words is "one hundred eighteen billion, twenty-two million, six hundred thirty-six thousand, four hundred sixty-six".