14664702720 has 144 divisors (see below), whose sum is σ = 47535264000. Its totient is φ = 3852152832.

The previous prime is 14664702709. The next prime is 14664702751. The reversal of 14664702720 is 2720746641.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228781 + ... + 285779.

It is an arithmetic number, because the mean of its divisors is an integer number (330106000).

Almost surely, 2^14664702720 is an apocalyptic number.

14664702720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14664702720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23767632000).

14664702720 is an abundant number, since it is smaller than the sum of its proper divisors (32870561280).

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

14664702720 is an equidigital number, since it uses as much as digits as its factorization.

14664702720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57090 (or 57076 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 14664702720 in words is "fourteen billion, six hundred sixty-four million, seven hundred two thousand, seven hundred twenty".