165746455736122 has 16 divisors (see below), whose sum is σ = 250768760821632. Its totient is φ = 82159404580800.

The previous prime is 165746455736003. The next prime is 165746455736149. The reversal of 165746455736122 is 221637554647561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633815298 + ... + 634076749.

It is an arithmetic number, because the mean of its divisors is an integer number (15673047551352).

Almost surely, 2^{165746455736122} is an apocalyptic number.

165746455736122 is a deficient number, since it is larger than the sum of its proper divisors (85022305085510).

165746455736122 is a wasteful number, since it uses less digits than its factorization.

165746455736122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267892613.

The product of its digits is 254016000, while the sum is 64.

The spelling of 165746455736122 in words is "one hundred sixty-five trillion, seven hundred forty-six billion, four hundred fifty-five million, seven hundred thirty-six thousand, one hundred twenty-two".