33118097166 has 144 divisors (see below), whose sum is σ = 91364232960. Its totient is φ = 8573312160.

The previous prime is 33118097161. The next prime is 33118097167. The reversal of 33118097166 is 66179081133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33118097161) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2972955 + ... + 2984073.

It is an arithmetic number, because the mean of its divisors is an integer number (634473840).

Almost surely, 2^33118097166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33118097166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45682116480).

33118097166 is an abundant number, since it is smaller than the sum of its proper divisors (58246135794).

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

33118097166 is a wasteful number, since it uses less digits than its factorization.

33118097166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459 (or 11449 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 33118097166 in words is "thirty-three billion, one hundred eighteen million, ninety-seven thousand, one hundred sixty-six".