164553918 has 8 divisors (see below), whose sum is σ = 329107848. Its totient is φ = 54851304.

The previous prime is 164553913. The next prime is 164553941. The reversal of 164553918 is 819355461.

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

164553918 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 164553918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164553913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13712821 + ... + 13712832.

It is an arithmetic number, because the mean of its divisors is an integer number (41138481).

Almost surely, 2^164553918 is an apocalyptic number.

164553918 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.

164553918 is a wasteful number, since it uses less digits than its factorization.

164553918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27425658.

The product of its digits is 129600, while the sum is 42.

The square root of 164553918 is about 12827.8571086522. The cubic root of 164553918 is about 547.9859316722.

The spelling of 164553918 in words is "one hundred sixty-four million, five hundred fifty-three thousand, nine hundred eighteen".