165164022 has 20 divisors (see below), whose sum is σ = 370090116. Its totient is φ = 55054620.

The previous prime is 165164011. The next prime is 165164029. The reversal of 165164022 is 220461561.

165164022 is a `hidden beast` number, since 1 + 651 + 6 + 4 + 0 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165164029) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 509604 + ... + 509927.

Almost surely, 2^165164022 is an apocalyptic number.

165164022 is an abundant number, since it is smaller than the sum of its proper divisors (204926094).

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

165164022 is a wasteful number, since it uses less digits than its factorization.

165164022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019545 (or 1019536 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 165164022 is about 12851.6155404681. The cubic root of 165164022 is about 548.6623382748.

The spelling of 165164022 in words is "one hundred sixty-five million, one hundred sixty-four thousand, twenty-two".