164841918 has 8 divisors (see below), whose sum is σ = 329683848. Its totient is φ = 54947304.

The previous prime is 164841913. The next prime is 164841923. The reversal of 164841918 is 819148461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (164841913) and next prime (164841923).

It is a sphenic number, since it is the product of 3 distinct primes.

164841918 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 164841918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164841913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13736821 + ... + 13736832.

It is an arithmetic number, because the mean of its divisors is an integer number (41210481).

Almost surely, 2^164841918 is an apocalyptic number.

164841918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164841918 is a wasteful number, since it uses less digits than its factorization.

164841918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27473658.

The product of its digits is 55296, while the sum is 42.

The square root of 164841918 is about 12839.0777706189. The cubic root of 164841918 is about 548.3054378219.

The spelling of 164841918 in words is "one hundred sixty-four million, eight hundred forty-one thousand, nine hundred eighteen".