164124931 has 2 divisors, whose sum is σ = 164124932. Its totient is φ = 164124930.

The previous prime is 164124913. The next prime is 164124959. The reversal of 164124931 is 139421461.

Together with previous prime (164124913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (139421461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164124931 - 2⁹ = 164124419 is a prime.

It is a super-2 number, since 2×164124931² = 53873985951509522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164124893 and 164124902.

It is not a weakly prime, because it can be changed into another prime (164124901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82062465 + 82062466.

It is an arithmetic number, because the mean of its divisors is an integer number (82062466).

Almost surely, 2^164124931 is an apocalyptic number.

164124931 is a deficient number, since it is larger than the sum of its proper divisors (1).

164124931 is an equidigital number, since it uses as much as digits as its factorization.

164124931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 164124931 is about 12811.1252823474. The cubic root of 164124931 is about 547.5093231108.

The spelling of 164124931 in words is "one hundred sixty-four million, one hundred twenty-four thousand, nine hundred thirty-one".