6432635660 has 24 divisors (see below), whose sum is σ = 14736584016. Its totient is φ = 2339140160.

The previous prime is 6432635647. The next prime is 6432635663. The reversal of 6432635660 is 665362346.

It is not an unprimeable number, because it can be changed into a prime (6432635663) 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, 14619407 + ... + 14619846.

It is an arithmetic number, because the mean of its divisors is an integer number (614024334).

Almost surely, 2^6432635660 is an apocalyptic number.

It is an amenable number.

6432635660 is an abundant number, since it is smaller than the sum of its proper divisors (8303948356).

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

6432635660 is a wasteful number, since it uses less digits than its factorization.

6432635660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29239273 (or 29239271 counting only the distinct ones).

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

The square root of 6432635660 is about 80203.7135050491. The cubic root of 6432635660 is about 1859.7860450703.

The spelling of 6432635660 in words is "six billion, four hundred thirty-two million, six hundred thirty-five thousand, six hundred sixty".