164614431 has 4 divisors (see below), whose sum is σ = 219485912. Its totient is φ = 109742952.

The previous prime is 164614421. The next prime is 164614441. The reversal of 164614431 is 134416461.

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

It is an interprime number because it is at equal distance from previous prime (164614421) and next prime (164614441).

It is not a de Polignac number, because 164614431 - 2⁵ = 164614399 is a prime.

It is a super-2 number, since 2×164614431² = 54195821786907522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164614421) 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, 27435736 + ... + 27435741.

It is an arithmetic number, because the mean of its divisors is an integer number (54871478).

Almost surely, 2^164614431 is an apocalyptic number.

164614431 is a deficient number, since it is larger than the sum of its proper divisors (54871481).

164614431 is an equidigital number, since it uses as much as digits as its factorization.

164614431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54871480.

The product of its digits is 6912, while the sum is 30.

The square root of 164614431 is about 12830.2155476827. The cubic root of 164614431 is about 548.0530954912.

The spelling of 164614431 in words is "one hundred sixty-four million, six hundred fourteen thousand, four hundred thirty-one".