33454433616 has 160 divisors (see below), whose sum is σ = 95873863680. Its totient is φ = 10004544000.

The previous prime is 33454433567. The next prime is 33454433627. The reversal of 33454433616 is 61633445433.

It is a super-2 number, since 2×33454433616² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2110681 + ... + 2126471.

It is an arithmetic number, because the mean of its divisors is an integer number (599211648).

Almost surely, 2^33454433616 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 33454433616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47936931840).

33454433616 is an abundant number, since it is smaller than the sum of its proper divisors (62419430064).

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

33454433616 is a wasteful number, since it uses less digits than its factorization.

33454433616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15945 (or 15939 counting only the distinct ones).

The product of its digits is 933120, while the sum is 42.

The spelling of 33454433616 in words is "thirty-three billion, four hundred fifty-four million, four hundred thirty-three thousand, six hundred sixteen".