14266664621604 has 18 divisors (see below), whose sum is σ = 36062957793590. Its totient is φ = 4755554873856.

The previous prime is 14266664621567. The next prime is 14266664621617. The reversal of 14266664621604 is 40612646666241.

It can be written as a sum of positive squares in only one way, i.e., 14098162581504 + 168502040100 = 3754752^2 + 410490^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198148119709 + ... + 198148119780.

Almost surely, 2^{14266664621604} is an apocalyptic number.

It is an amenable number.

14266664621604 is an abundant number, since it is smaller than the sum of its proper divisors (21796293171986).

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

14266664621604 is a wasteful number, since it uses less digits than its factorization.

14266664621604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396296239499 (or 396296239494 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 54.

The spelling of 14266664621604 in words is "fourteen trillion, two hundred sixty-six billion, six hundred sixty-four million, six hundred twenty-one thousand, six hundred four".