32064352656 has 120 divisors (see below), whose sum is σ = 96409838304. Its totient is φ = 9156188160.

The previous prime is 32064352651. The next prime is 32064352669. The reversal of 32064352656 is 65625346023.

It is a super-2 number, since 2×32064352656² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (32064352651) 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 23 ways as a sum of consecutive naturals, for example, 7150191 + ... + 7154673.

Almost surely, 2^32064352656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32064352656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48204919152).

32064352656 is an abundant number, since it is smaller than the sum of its proper divisors (64345485648).

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

32064352656 is a wasteful number, since it uses less digits than its factorization.

32064352656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549 (or 7536 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 32064352656 its reverse (65625346023), we get a palindrome (97689698679).

The spelling of 32064352656 in words is "thirty-two billion, sixty-four million, three hundred fifty-two thousand, six hundred fifty-six".