122165158365144 has 96 divisors (see below), whose sum is σ = 332227266228000. Its totient is φ = 40554252865536.

The previous prime is 122165158365073. The next prime is 122165158365157. The reversal of 122165158365144 is 441563851561221.

122165158365144 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 6 + 5 + 1 + 583 + 6 + 51 + 4 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14750392 + ... + 21491960.

It is an arithmetic number, because the mean of its divisors is an integer number (3460700689875).

Almost surely, 2^{122165158365144} is an apocalyptic number.

It is an amenable number.

122165158365144 is an abundant number, since it is smaller than the sum of its proper divisors (210062107862856).

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

122165158365144 is a wasteful number, since it uses less digits than its factorization.

122165158365144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742617 (or 6742610 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The spelling of 122165158365144 in words is "one hundred twenty-two trillion, one hundred sixty-five billion, one hundred fifty-eight million, three hundred sixty-five thousand, one hundred forty-four".