164246263 has 2 divisors, whose sum is σ = 164246264. Its totient is φ = 164246262.

The previous prime is 164246261. The next prime is 164246347. The reversal of 164246263 is 362642461.

It is a weak prime.

It is an emirp because it is prime and its reverse (362642461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164246263 - 2¹ = 164246261 is a prime.

Together with 164246261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164246261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82123131 + 82123132.

It is an arithmetic number, because the mean of its divisors is an integer number (82123132).

Almost surely, 2^164246263 is an apocalyptic number.

164246263 is a deficient number, since it is larger than the sum of its proper divisors (1).

164246263 is an equidigital number, since it uses as much as digits as its factorization.

164246263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 164246263 is about 12815.8598228913. The cubic root of 164246263 is about 547.6442082409.

The spelling of 164246263 in words is "one hundred sixty-four million, two hundred forty-six thousand, two hundred sixty-three".