165215230822 has 16 divisors (see below), whose sum is σ = 252268929792. Its totient is φ = 81134436040.

The previous prime is 165215230787. The next prime is 165215230823. The reversal of 165215230822 is 228032512561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165215230823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2174608 + ... + 2249299.

It is an arithmetic number, because the mean of its divisors is an integer number (15766808112).

Almost surely, 2^165215230822 is an apocalyptic number.

165215230822 is a deficient number, since it is larger than the sum of its proper divisors (87053698970).

165215230822 is a wasteful number, since it uses less digits than its factorization.

165215230822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424243.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 165215230822 in words is "one hundred sixty-five billion, two hundred fifteen million, two hundred thirty thousand, eight hundred twenty-two".