14021614664 has 16 divisors (see below), whose sum is σ = 26365010220. Its totient is φ = 6990945280.

The previous prime is 14021614639. The next prime is 14021614679. The reversal of 14021614664 is 46641612041.

It can be written as a sum of positive squares in 2 ways, for example, as 11611786564 + 2409828100 = 107758^2 + 49090^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2479757 + ... + 2485404.

Almost surely, 2^14021614664 is an apocalyptic number.

It is an amenable number.

14021614664 is a deficient number, since it is larger than the sum of its proper divisors (12343395556).

14021614664 is a wasteful number, since it uses less digits than its factorization.

14021614664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965520 (or 4965516 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 14021614664 in words is "fourteen billion, twenty-one million, six hundred fourteen thousand, six hundred sixty-four".