33161109696 has 1008 divisors, whose sum is σ = 123444292608. Its totient is φ = 8734003200.

The previous prime is 33161109677. The next prime is 33161109781. The reversal of 33161109696 is 69690116133.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 896246190 + ... + 896246226.

It is an arithmetic number, because the mean of its divisors is an integer number (122464576).

Almost surely, 2^33161109696 is an apocalyptic number.

33161109696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33161109696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61722146304).

33161109696 is an abundant number, since it is smaller than the sum of its proper divisors (90283182912).

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

33161109696 is a wasteful number, since it uses less digits than its factorization.

33161109696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 33161109696 in words is "thirty-three billion, one hundred sixty-one million, one hundred nine thousand, six hundred ninety-six".