164813231 has 8 divisors (see below), whose sum is σ = 180230400. Its totient is φ = 149468440.

The previous prime is 164813203. The next prime is 164813237. The reversal of 164813231 is 132318461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164813231 - 2¹⁴ = 164796847 is a prime.

It is a super-2 number, since 2×164813231² = 54326802225318722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164813194 and 164813203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164813237) 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 7 ways as a sum of consecutive naturals, for example, 13271 + ... + 22488.

It is an arithmetic number, because the mean of its divisors is an integer number (22528800).

Almost surely, 2^164813231 is an apocalyptic number.

164813231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

164813231 is a deficient number, since it is larger than the sum of its proper divisors (15417169).

164813231 is a wasteful number, since it uses less digits than its factorization.

164813231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36189.

The product of its digits is 3456, while the sum is 29.

The square root of 164813231 is about 12837.9605467535. The cubic root of 164813231 is about 548.2736292649.

The spelling of 164813231 in words is "one hundred sixty-four million, eight hundred thirteen thousand, two hundred thirty-one".