64345163 has 2 divisors, whose sum is σ = 64345164. Its totient is φ = 64345162.

The previous prime is 64345159. The next prime is 64345189. The reversal of 64345163 is 36154346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64345163 - 2² = 64345159 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64345103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32172581 + 32172582.

It is an arithmetic number, because the mean of its divisors is an integer number (32172582).

Almost surely, 2^64345163 is an apocalyptic number.

64345163 is a deficient number, since it is larger than the sum of its proper divisors (1).

64345163 is an equidigital number, since it uses as much as digits as its factorization.

64345163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 64345163 is about 8021.5436793675. The cubic root of 64345163 is about 400.7178007182.

The spelling of 64345163 in words is "sixty-four million, three hundred forty-five thousand, one hundred sixty-three".