33161015064 has 128 divisors (see below), whose sum is σ = 85992192000. Its totient is φ = 10650438144.

The previous prime is 33161015051. The next prime is 33161015101. The reversal of 33161015064 is 46051016133.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21269917 + ... + 21271475.

It is an arithmetic number, because the mean of its divisors is an integer number (671814000).

Almost surely, 2^33161015064 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 33161015064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42996096000).

33161015064 is an abundant number, since it is smaller than the sum of its proper divisors (52831176936).

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

33161015064 is a wasteful number, since it uses less digits than its factorization.

33161015064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 33161015064 in words is "thirty-three billion, one hundred sixty-one million, fifteen thousand, sixty-four".