164624231 has 2 divisors, whose sum is σ = 164624232. Its totient is φ = 164624230.

The previous prime is 164624197. The next prime is 164624249. The reversal of 164624231 is 132426461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164624231 - 2¹⁴ = 164607847 is a prime.

It is a super-2 number, since 2×164624231² = 54202274864682722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 164624194 and 164624203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164624261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82312115 + 82312116.

It is an arithmetic number, because the mean of its divisors is an integer number (82312116).

Almost surely, 2^164624231 is an apocalyptic number.

164624231 is a deficient number, since it is larger than the sum of its proper divisors (1).

164624231 is an equidigital number, since it uses as much as digits as its factorization.

164624231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 164624231 is about 12830.5974529638. The cubic root of 164624231 is about 548.0639710338.

The spelling of 164624231 in words is "one hundred sixty-four million, six hundred twenty-four thousand, two hundred thirty-one".