33660745120 has 24 divisors (see below), whose sum is σ = 79523510724. Its totient is φ = 13464297984.

The previous prime is 33660745067. The next prime is 33660745133. The reversal of 33660745120 is 2154706633.

It can be written as a sum of positive squares in 2 ways, for example, as 32223122064 + 1437623056 = 179508^2 + 37916^2 .

It is a super-2 number, since 2×33660745120² (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 33660745120.

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, 105189669 + ... + 105189988.

Almost surely, 2^33660745120 is an apocalyptic number.

It is an amenable number.

33660745120 is an abundant number, since it is smaller than the sum of its proper divisors (45862765604).

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

33660745120 is a wasteful number, since it uses less digits than its factorization.

33660745120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210379672 (or 210379664 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 33660745120 in words is "thirty-three billion, six hundred sixty million, seven hundred forty-five thousand, one hundred twenty".