14666339638 has 32 divisors (see below), whose sum is σ = 22723367040. Its totient is φ = 7095332160.

The previous prime is 14666339629. The next prime is 14666339663. The reversal of 14666339638 is 83693366641.

It is a congruent number.

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, 7292053 + ... + 7294063.

It is an arithmetic number, because the mean of its divisors is an integer number (710105220).

Almost surely, 2^14666339638 is an apocalyptic number.

14666339638 is a deficient number, since it is larger than the sum of its proper divisors (8057027402).

14666339638 is a wasteful number, since it uses less digits than its factorization.

14666339638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812.

The product of its digits is 10077696, while the sum is 55.

The spelling of 14666339638 in words is "fourteen billion, six hundred sixty-six million, three hundred thirty-nine thousand, six hundred thirty-eight".