14947666432 has 160 divisors (see below), whose sum is σ = 32880038400. Its totient is φ = 6760366080.

The previous prime is 14947666429. The next prime is 14947666463. The reversal of 14947666432 is 23466674941.

It is a super-2 number, since 2×14947666432² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14947666432.

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, 24954069 + ... + 24954667.

It is an arithmetic number, because the mean of its divisors is an integer number (205500240).

Almost surely, 2^14947666432 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 14947666432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16440019200).

14947666432 is an abundant number, since it is smaller than the sum of its proper divisors (17932371968).

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

14947666432 is an equidigital number, since it uses as much as digits as its factorization.

14947666432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 726 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 52.

The spelling of 14947666432 in words is "fourteen billion, nine hundred forty-seven million, six hundred sixty-six thousand, four hundred thirty-two".