164858231 has 12 divisors (see below), whose sum is σ = 184233312. Its totient is φ = 146988864.

The previous prime is 164858209. The next prime is 164858251. The reversal of 164858231 is 132858461.

It is not a de Polignac number, because 164858231 - 2¹⁰ = 164857207 is a prime.

It is a super-2 number, since 2×164858231² = 54356472656898722, 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 (164858201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7295 + ... + 19568.

It is an arithmetic number, because the mean of its divisors is an integer number (15352776).

Almost surely, 2^164858231 is an apocalyptic number.

164858231 is a deficient number, since it is larger than the sum of its proper divisors (19375081).

164858231 is a wasteful number, since it uses less digits than its factorization.

164858231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26918 (or 26899 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 164858231 is about 12839.7130419648. The cubic root of 164858231 is about 548.3235242643.

The spelling of 164858231 in words is "one hundred sixty-four million, eight hundred fifty-eight thousand, two hundred thirty-one".