164764463 has 2 divisors, whose sum is σ = 164764464. Its totient is φ = 164764462.

The previous prime is 164764429. The next prime is 164764471. The reversal of 164764463 is 364467461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164764463 - 2⁸ = 164764207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164764463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164764063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82382231 + 82382232.

It is an arithmetic number, because the mean of its divisors is an integer number (82382232).

Almost surely, 2^164764463 is an apocalyptic number.

164764463 is a deficient number, since it is larger than the sum of its proper divisors (1).

164764463 is an equidigital number, since it uses as much as digits as its factorization.

164764463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 41.

The square root of 164764463 is about 12836.0610391194. The cubic root of 164764463 is about 548.2195461352.

The spelling of 164764463 in words is "one hundred sixty-four million, seven hundred sixty-four thousand, four hundred sixty-three".