163314643 has 2 divisors, whose sum is σ = 163314644. Its totient is φ = 163314642.

The previous prime is 163314617. The next prime is 163314649. The reversal of 163314643 is 346413361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163314643 - 2⁵ = 163314611 is a prime.

It is not a weakly prime, because it can be changed into another prime (163314649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81657321 + 81657322.

It is an arithmetic number, because the mean of its divisors is an integer number (81657322).

Almost surely, 2^163314643 is an apocalyptic number.

163314643 is a deficient number, since it is larger than the sum of its proper divisors (1).

163314643 is an equidigital number, since it uses as much as digits as its factorization.

163314643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The square root of 163314643 is about 12779.4617648788. The cubic root of 163314643 is about 546.6068148252.

The spelling of 163314643 in words is "one hundred sixty-three million, three hundred fourteen thousand, six hundred forty-three".