162109146 has 16 divisors (see below), whose sum is σ = 324451008. Its totient is φ = 53997600.

The previous prime is 162109109. The next prime is 162109177. The reversal of 162109146 is 641901261.

It is a happy 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, 126 + ... + 18006.

It is an arithmetic number, because the mean of its divisors is an integer number (20278188).

Almost surely, 2^162109146 is an apocalyptic number.

162109146 is an abundant number, since it is smaller than the sum of its proper divisors (162341862).

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

162109146 is a wasteful number, since it uses less digits than its factorization.

162109146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19397.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 162109146 is about 12732.2089992271. The cubic root of 162109146 is about 545.2585771827.

The spelling of 162109146 in words is "one hundred sixty-two million, one hundred nine thousand, one hundred forty-six".