33700745664 has 84 divisors (see below), whose sum is σ = 101681193640. Its totient is φ = 10642337280.

The previous prime is 33700745623. The next prime is 33700745783. The reversal of 33700745664 is 46654700733.

It is a super-2 number, since 2×33700745664² (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 11 ways as a sum of consecutive naturals, for example, 1528747 + ... + 1550634.

Almost surely, 2^33700745664 is an apocalyptic number.

It is an amenable number.

33700745664 is an abundant number, since it is smaller than the sum of its proper divisors (67980447976).

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

33700745664 is a wasteful number, since it uses less digits than its factorization.

33700745664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079418 (or 3079405 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 33700745664 in words is "thirty-three billion, seven hundred million, seven hundred forty-five thousand, six hundred sixty-four".