4721931660 has 96 divisors (see below), whose sum is σ = 13491878400. Its totient is φ = 1233571840.

The previous prime is 4721931659. The next prime is 4721931677. The reversal of 4721931660 is 661391274.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1098796 + ... + 1103084.

It is an arithmetic number, because the mean of its divisors is an integer number (140540400).

Almost surely, 2^4721931660 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 4721931660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6745939200).

4721931660 is an abundant number, since it is smaller than the sum of its proper divisors (8769946740).

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

4721931660 is a wasteful number, since it uses less digits than its factorization.

4721931660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671 (or 4669 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 4721931660 is about 68716.3129104000. The cubic root of 4721931660 is about 1677.6701050476.

The spelling of 4721931660 in words is "four billion, seven hundred twenty-one million, nine hundred thirty-one thousand, six hundred sixty".