122839344664 has 32 divisors (see below), whose sum is σ = 231013188000. Its totient is φ = 61235995392.

The previous prime is 122839344637. The next prime is 122839344707. The reversal of 122839344664 is 466443938221.

It is a congruent number.

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, 6629637 + ... + 6648139.

It is an arithmetic number, because the mean of its divisors is an integer number (7219162125).

Almost surely, 2^122839344664 is an apocalyptic number.

It is an amenable number.

122839344664 is a deficient number, since it is larger than the sum of its proper divisors (108173843336).

122839344664 is a wasteful number, since it uses less digits than its factorization.

122839344664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20947 (or 20943 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 52.

The spelling of 122839344664 in words is "one hundred twenty-two billion, eight hundred thirty-nine million, three hundred forty-four thousand, six hundred sixty-four".