122565305540466 has 64 divisors (see below), whose sum is σ = 282342911967360. Its totient is φ = 39379406005440.

The previous prime is 122565305540347. The next prime is 122565305540507. The reversal of 122565305540466 is 664045503565221.

122565305540466 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 6 + 5 + 30 + 5 + 540 + 4 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286440405 + ... + 286867976.

It is an arithmetic number, because the mean of its divisors is an integer number (4411607999490).

Almost surely, 2^{122565305540466} is an apocalyptic number.

122565305540466 is an abundant number, since it is smaller than the sum of its proper divisors (159777606426894).

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

122565305540466 is a wasteful number, since it uses less digits than its factorization.

122565305540466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573308536 (or 573308530 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 54.

The spelling of 122565305540466 in words is "one hundred twenty-two trillion, five hundred sixty-five billion, three hundred five million, five hundred forty thousand, four hundred sixty-six".