164195718 has 16 divisors (see below), whose sum is σ = 328545840. Its totient is φ = 54706176.

The previous prime is 164195711. The next prime is 164195723. The reversal of 164195718 is 817591461.

164195718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 164195718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164195711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11046 + ... + 21222.

It is an arithmetic number, because the mean of its divisors is an integer number (20534115).

Almost surely, 2^164195718 is an apocalyptic number.

164195718 is an abundant number, since it is smaller than the sum of its proper divisors (164350122).

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

164195718 is a wasteful number, since it uses less digits than its factorization.

164195718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12871.

The product of its digits is 60480, while the sum is 42.

The square root of 164195718 is about 12813.8877004600. The cubic root of 164195718 is about 547.5880252955.

The spelling of 164195718 in words is "one hundred sixty-four million, one hundred ninety-five thousand, seven hundred eighteen".