165122070 has 32 divisors (see below), whose sum is σ = 398055168. Its totient is φ = 43836768.

The previous prime is 165122011. The next prime is 165122101. The reversal of 165122070 is 70221561.

It is a self number, because there is not a number n which added to its sum of digits gives 165122070.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5314 + ... + 18933.

It is an arithmetic number, because the mean of its divisors is an integer number (12439224).

Almost surely, 2^165122070 is an apocalyptic number.

165122070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165122070 is an abundant number, since it is smaller than the sum of its proper divisors (232933098).

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

165122070 is a wasteful number, since it uses less digits than its factorization.

165122070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24484.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 165122070 is about 12849.9832684716. The cubic root of 165122070 is about 548.6158805551.

The spelling of 165122070 in words is "one hundred sixty-five million, one hundred twenty-two thousand, seventy".