14621243666 has 16 divisors (see below), whose sum is σ = 22562639424. Its totient is φ = 7103042544.

The previous prime is 14621243653. The next prime is 14621243711. The reversal of 14621243666 is 66634212641.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658676 + ... + 680511.

It is an arithmetic number, because the mean of its divisors is an integer number (1410164964).

Almost surely, 2^14621243666 is an apocalyptic number.

14621243666 is a deficient number, since it is larger than the sum of its proper divisors (7941395758).

14621243666 is a wasteful number, since it uses less digits than its factorization.

14621243666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339345.

The product of its digits is 248832, while the sum is 41.

The spelling of 14621243666 in words is "fourteen billion, six hundred twenty-one million, two hundred forty-three thousand, six hundred sixty-six".