164231265 has 16 divisors (see below), whose sum is σ = 286658496. Its totient is φ = 79627200.

The previous prime is 164231213. The next prime is 164231267. The reversal of 164231265 is 562132461.

164231265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164231265 - 2¹² = 164227169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164231267) 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, 497506 + ... + 497835.

It is an arithmetic number, because the mean of its divisors is an integer number (17916156).

Almost surely, 2^164231265 is an apocalyptic number.

164231265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164231265 is a deficient number, since it is larger than the sum of its proper divisors (122427231).

164231265 is a wasteful number, since it uses less digits than its factorization.

164231265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995360.

The product of its digits is 8640, while the sum is 30.

The square root of 164231265 is about 12815.2746751679. The cubic root of 164231265 is about 547.6275385205.

The spelling of 164231265 in words is "one hundred sixty-four million, two hundred thirty-one thousand, two hundred sixty-five".