33666117064 has 16 divisors (see below), whose sum is σ = 63133887600. Its totient is φ = 16830413712.

The previous prime is 33666117047. The next prime is 33666117071. The reversal of 33666117064 is 46071166633.

It is a super-2 number, since 2×33666117064² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33666117064.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275974 + ... + 378805.

It is an arithmetic number, because the mean of its divisors is an integer number (3945867975).

Almost surely, 2^33666117064 is an apocalyptic number.

It is an amenable number.

33666117064 is a deficient number, since it is larger than the sum of its proper divisors (29467770536).

33666117064 is a wasteful number, since it uses less digits than its factorization.

33666117064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661212 (or 661208 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 33666117064 in words is "thirty-three billion, six hundred sixty-six million, one hundred seventeen thousand, sixty-four".