33445579616 has 96 divisors (see below), whose sum is σ = 70968441600. Its totient is φ = 15466913280.

The previous prime is 33445579591. The next prime is 33445579627. The reversal of 33445579616 is 61697554433.

It is a super-2 number, since 2×33445579616² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6796805 + ... + 6801723.

It is an arithmetic number, because the mean of its divisors is an integer number (739254600).

Almost surely, 2^33445579616 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 33445579616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35484220800).

33445579616 is an abundant number, since it is smaller than the sum of its proper divisors (37522861984).

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

33445579616 is a wasteful number, since it uses less digits than its factorization.

33445579616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212 (or 5204 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 53.

The spelling of 33445579616 in words is "thirty-three billion, four hundred forty-five million, five hundred seventy-nine thousand, six hundred sixteen".