165707066822 has 16 divisors (see below), whose sum is σ = 273789614592. Its totient is φ = 74590117320.

The previous prime is 165707066809. The next prime is 165707066851. The reversal of 165707066822 is 228660707561.

165707066822 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36561518 + ... + 36566049.

It is an arithmetic number, because the mean of its divisors is an integer number (17111850912).

Almost surely, 2^165707066822 is an apocalyptic number.

165707066822 is a deficient number, since it is larger than the sum of its proper divisors (108082547770).

165707066822 is a wasteful number, since it uses less digits than its factorization.

165707066822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73127683.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 165707066822 in words is "one hundred sixty-five billion, seven hundred seven million, sixty-six thousand, eight hundred twenty-two".