164295231 has 4 divisors (see below), whose sum is σ = 219060312. Its totient is φ = 109530152.

The previous prime is 164295227. The next prime is 164295239. The reversal of 164295231 is 132592461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164295231 - 2² = 164295227 is a prime.

It is a super-2 number, since 2×164295231² = 53985845858686722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164295192 and 164295201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164295239) 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, 27382536 + ... + 27382541.

It is an arithmetic number, because the mean of its divisors is an integer number (54765078).

Almost surely, 2^164295231 is an apocalyptic number.

164295231 is a deficient number, since it is larger than the sum of its proper divisors (54765081).

164295231 is an equidigital number, since it uses as much as digits as its factorization.

164295231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54765080.

The product of its digits is 12960, while the sum is 33.

The square root of 164295231 is about 12817.7701258838. The cubic root of 164295231 is about 547.6986272913.

The spelling of 164295231 in words is "one hundred sixty-four million, two hundred ninety-five thousand, two hundred thirty-one".