6642337932 has 36 divisors (see below), whose sum is σ = 17412221736. Its totient is φ = 2214112320.

The previous prime is 6642337931. The next prime is 6642337957. The reversal of 6642337932 is 2397332466.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (6642337931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3415869 + ... + 3417812.

It is an arithmetic number, because the mean of its divisors is an integer number (483672826).

Almost surely, 2^6642337932 is an apocalyptic number.

It is an amenable number.

6642337932 is an abundant number, since it is smaller than the sum of its proper divisors (10769883804).

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

6642337932 is a wasteful number, since it uses less digits than its factorization.

6642337932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833700 (or 6833686 counting only the distinct ones).

The product of its digits is 979776, while the sum is 45.

The square root of 6642337932 is about 81500.5394583373. The cubic root of 6642337932 is about 1879.7798455798.

The spelling of 6642337932 in words is "six billion, six hundred forty-two million, three hundred thirty-seven thousand, nine hundred thirty-two".