122556662766 has 16 divisors (see below), whose sum is σ = 272348139600. Its totient is φ = 40852220904.

The previous prime is 122556662747. The next prime is 122556662771. The reversal of 122556662766 is 667266655221.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2269567829 = 122556662766 / (1 + 2 + 2 + 5 + 5 + 6 + 6 + 6 + 2 + 7 + 6 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134783861 + ... + 1134783968.

It is an arithmetic number, because the mean of its divisors is an integer number (17021758725).

Almost surely, 2^122556662766 is an apocalyptic number.

122556662766 is an abundant number, since it is smaller than the sum of its proper divisors (149791476834).

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

122556662766 is a wasteful number, since it uses less digits than its factorization.

122556662766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269567840 (or 2269567834 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 122556662766 in words is "one hundred twenty-two billion, five hundred fifty-six million, six hundred sixty-two thousand, seven hundred sixty-six".