33506664620 has 48 divisors (see below), whose sum is σ = 82665400608. Its totient is φ = 11246991360.

The previous prime is 33506664589. The next prime is 33506664671. The reversal of 33506664620 is 2646660533.

It is a super-2 number, since 2×33506664620² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5854949 + ... + 5860668.

It is an arithmetic number, because the mean of its divisors is an integer number (1722195846).

Almost surely, 2^33506664620 is an apocalyptic number.

It is an amenable number.

33506664620 is an abundant number, since it is smaller than the sum of its proper divisors (49158735988).

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

33506664620 is a wasteful number, since it uses less digits than its factorization.

33506664620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11715650 (or 11715648 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 33506664620 in words is "thirty-three billion, five hundred six million, six hundred sixty-four thousand, six hundred twenty".