122175521661966 has 32 divisors (see below), whose sum is σ = 245827472624640. Its totient is φ = 40479308522496.

The previous prime is 122175521661937. The next prime is 122175521661979. The reversal of 122175521661966 is 669166125571221.

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, 23401651 + ... + 28142286.

It is an arithmetic number, because the mean of its divisors is an integer number (7682108519520).

Almost surely, 2^{122175521661966} is an apocalyptic number.

122175521661966 is an abundant number, since it is smaller than the sum of its proper divisors (123651950962674).

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

122175521661966 is a wasteful number, since it uses less digits than its factorization.

122175521661966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51546328.

The product of its digits is 16329600, while the sum is 60.

The spelling of 122175521661966 in words is "one hundred twenty-two trillion, one hundred seventy-five billion, five hundred twenty-one million, six hundred sixty-one thousand, nine hundred sixty-six".