32660331664 has 20 divisors (see below), whose sum is σ = 63381640240. Its totient is φ = 16303779360.

The previous prime is 32660331589. The next prime is 32660331667. The reversal of 32660331664 is 46613306623.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (32660331667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1638942 + ... + 1658749.

It is an arithmetic number, because the mean of its divisors is an integer number (3169082012).

Almost surely, 2^32660331664 is an apocalyptic number.

It is an amenable number.

32660331664 is a deficient number, since it is larger than the sum of its proper divisors (30721308576).

32660331664 is a wasteful number, since it uses less digits than its factorization.

32660331664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298318 (or 3298312 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 40.

The spelling of 32660331664 in words is "thirty-two billion, six hundred sixty million, three hundred thirty-one thousand, six hundred sixty-four".