165045122646366 has 32 divisors (see below), whose sum is σ = 342144985950720. Its totient is φ = 53040858716736.

The previous prime is 165045122646353. The next prime is 165045122646377. The reversal of 165045122646366 is 663646221540561.

165045122646366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4367640751 + ... + 4367678538.

It is an arithmetic number, because the mean of its divisors is an integer number (10692030810960).

Almost surely, 2^{165045122646366} is an apocalyptic number.

165045122646366 is an abundant number, since it is smaller than the sum of its proper divisors (177099863304354).

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

165045122646366 is a wasteful number, since it uses less digits than its factorization.

165045122646366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735319408.

The product of its (nonzero) digits is 37324800, while the sum is 57.

The spelling of 165045122646366 in words is "one hundred sixty-five trillion, forty-five billion, one hundred twenty-two million, six hundred forty-six thousand, three hundred sixty-six".