165797022 has 16 divisors (see below), whose sum is σ = 351099792. Its totient is φ = 52014720.

The previous prime is 165797017. The next prime is 165797029. The reversal of 165797022 is 220797561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165797029) 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, 812629 + ... + 812832.

It is an arithmetic number, because the mean of its divisors is an integer number (21943737).

Almost surely, 2^165797022 is an apocalyptic number.

165797022 is an abundant number, since it is smaller than the sum of its proper divisors (185302770).

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

165797022 is a wasteful number, since it uses less digits than its factorization.

165797022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625483.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 165797022 is about 12876.2192432406. The cubic root of 165797022 is about 549.3623707073.

The spelling of 165797022 in words is "one hundred sixty-five million, seven hundred ninety-seven thousand, twenty-two".