164012031 has 6 divisors (see below), whose sum is σ = 236906280. Its totient is φ = 109341348.

The previous prime is 164012021. The next prime is 164012033. The reversal of 164012031 is 130210461.

It is a happy number.

164012031 is a `hidden beast` number, since 1 + 640 + 1 + 20 + 3 + 1 = 666.

It is not a de Polignac number, because 164012031 - 2¹⁰ = 164011007 is a prime.

It is a super-2 number, since 2×164012031² = 53799892625489922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164011995 and 164012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164012033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9111771 + ... + 9111788.

It is an arithmetic number, because the mean of its divisors is an integer number (39484380).

Almost surely, 2^164012031 is an apocalyptic number.

164012031 is a deficient number, since it is larger than the sum of its proper divisors (72894249).

164012031 is a wasteful number, since it uses less digits than its factorization.

164012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18223565 (or 18223562 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 164012031 is about 12806.7181978835. The cubic root of 164012031 is about 547.3837521381.

Adding to 164012031 its reverse (130210461), we get a palindrome (294222492).

The spelling of 164012031 in words is "one hundred sixty-four million, twelve thousand, thirty-one".