33700066668 has 36 divisors (see below), whose sum is σ = 85423600080. Its totient is φ = 11202060576.

The previous prime is 33700066651. The next prime is 33700066709. The reversal of 33700066668 is 86666000733.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×33700066668² (a number of 22 digits) contains 22 as substring.

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, 1290855 + ... + 1316702.

It is an arithmetic number, because the mean of its divisors is an integer number (2372877780).

Almost surely, 2^33700066668 is an apocalyptic number.

It is an amenable number.

33700066668 is an abundant number, since it is smaller than the sum of its proper divisors (51723533412).

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

33700066668 is a wasteful number, since it uses less digits than its factorization.

33700066668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607926 (or 2607921 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 33700066668 in words is "thirty-three billion, seven hundred million, sixty-six thousand, six hundred sixty-eight".