164243395 has 16 divisors (see below), whose sum is σ = 199674720. Its totient is φ = 129682944.

The previous prime is 164243381. The next prime is 164243399. The reversal of 164243395 is 593342461.

164243395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 164243395 - 2¹¹ = 164241347 is a prime.

It is a super-2 number, since 2×164243395² = 53951785602252050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164243399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231301 + ... + 232009.

It is an arithmetic number, because the mean of its divisors is an integer number (12479670).

Almost surely, 2^164243395 is an apocalyptic number.

164243395 is a deficient number, since it is larger than the sum of its proper divisors (35431325).

164243395 is a wasteful number, since it uses less digits than its factorization.

164243395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254.

The product of its digits is 77760, while the sum is 37.

The square root of 164243395 is about 12815.7479297933. The cubic root of 164243395 is about 547.6410206438.

The spelling of 164243395 in words is "one hundred sixty-four million, two hundred forty-three thousand, three hundred ninety-five".