165422036 has 24 divisors (see below), whose sum is σ = 330097320. Its totient is φ = 71857152.

The previous prime is 165422027. The next prime is 165422041. The reversal of 165422036 is 630224561.

165422036 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 can be written as a sum of positive squares in 4 ways, for example, as 22619536 + 142802500 = 4756^2 + 11950^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92681 + ... + 94448.

It is an arithmetic number, because the mean of its divisors is an integer number (13754055).

Almost surely, 2^165422036 is an apocalyptic number.

It is an amenable number.

165422036 is a deficient number, since it is larger than the sum of its proper divisors (164675284).

165422036 is a wasteful number, since it uses less digits than its factorization.

165422036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187163 (or 187161 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 165422036 is about 12861.6498164116. The cubic root of 165422036 is about 548.9478906041.

Adding to 165422036 its reverse (630224561), we get a palindrome (795646597).

The spelling of 165422036 in words is "one hundred sixty-five million, four hundred twenty-two thousand, thirty-six".