33366686864 has 20 divisors (see below), whose sum is σ = 73883378304. Its totient is φ = 14300008608.

The previous prime is 33366686863. The next prime is 33366686867. The reversal of 33366686864 is 46868666333.

It is a super-2 number, since 2×33366686864² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33366686863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148958312 + ... + 148958535.

Almost surely, 2^33366686864 is an apocalyptic number.

It is an amenable number.

33366686864 is an abundant number, since it is smaller than the sum of its proper divisors (40516691440).

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

33366686864 is a wasteful number, since it uses less digits than its factorization.

33366686864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297916862 (or 297916856 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 59.

The spelling of 33366686864 in words is "thirty-three billion, three hundred sixty-six million, six hundred eighty-six thousand, eight hundred sixty-four".