163264459 has 2 divisors, whose sum is σ = 163264460. Its totient is φ = 163264458.

The previous prime is 163264411. The next prime is 163264471. The reversal of 163264459 is 954462361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163264459 - 2⁷ = 163264331 is a prime.

It is not a weakly prime, because it can be changed into another prime (163264489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81632229 + 81632230.

It is an arithmetic number, because the mean of its divisors is an integer number (81632230).

Almost surely, 2^163264459 is an apocalyptic number.

163264459 is a deficient number, since it is larger than the sum of its proper divisors (1).

163264459 is an equidigital number, since it uses as much as digits as its factorization.

163264459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 163264459 is about 12777.4981510466. The cubic root of 163264459 is about 546.5508212207.

The spelling of 163264459 in words is "one hundred sixty-three million, two hundred sixty-four thousand, four hundred fifty-nine".