164242164 has 24 divisors (see below), whose sum is σ = 384623008. Its totient is φ = 54548640.

The previous prime is 164242159. The next prime is 164242171. The reversal of 164242164 is 461242461.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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 7 ways as a sum of consecutive naturals, for example, 21382 + ... + 28029.

Almost surely, 2^164242164 is an apocalyptic number.

It is an amenable number.

164242164 is an abundant number, since it is smaller than the sum of its proper divisors (220380844).

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

164242164 is a wasteful number, since it uses less digits than its factorization.

164242164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49695 (or 49693 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 164242164 is about 12815.6999028535. The cubic root of 164242164 is about 547.6396524553.

The spelling of 164242164 in words is "one hundred sixty-four million, two hundred forty-two thousand, one hundred sixty-four".