164151144 has 32 divisors (see below), whose sum is σ = 455976000. Its totient is φ = 54716976.

The previous prime is 164151121. The next prime is 164151173. The reversal of 164151144 is 441151461.

164151144 is a `hidden beast` number, since 1 + 641 + 5 + 1 + 14 + 4 = 666.

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

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, 379764 + ... + 380195.

It is an arithmetic number, because the mean of its divisors is an integer number (14249250).

Almost surely, 2^164151144 is an apocalyptic number.

It is an amenable number.

164151144 is an abundant number, since it is smaller than the sum of its proper divisors (291824856).

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

164151144 is a wasteful number, since it uses less digits than its factorization.

164151144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759974 (or 759964 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 164151144 is about 12812.1482976119. The cubic root of 164151144 is about 547.5384698058.

The spelling of 164151144 in words is "one hundred sixty-four million, one hundred fifty-one thousand, one hundred forty-four".