32670689656 has 32 divisors (see below), whose sum is σ = 67067711280. Its totient is φ = 14796691200.

The previous prime is 32670689629. The next prime is 32670689659. The reversal of 32670689656 is 65698607623.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 32670689656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32670689659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645765 + ... + 694516.

Almost surely, 2^32670689656 is an apocalyptic number.

It is an amenable number.

32670689656 is an abundant number, since it is smaller than the sum of its proper divisors (34397021624).

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

32670689656 is a wasteful number, since it uses less digits than its factorization.

32670689656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340575 (or 1340571 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 32670689656 in words is "thirty-two billion, six hundred seventy million, six hundred eighty-nine thousand, six hundred fifty-six".