340455163 has 2 divisors, whose sum is σ = 340455164. Its totient is φ = 340455162.

The previous prime is 340455151. The next prime is 340455179. The reversal of 340455163 is 361554043.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340455163 is a prime.

It is not a weakly prime, because it can be changed into another prime (340455133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170227581 + 170227582.

It is an arithmetic number, because the mean of its divisors is an integer number (170227582).

Almost surely, 2^340455163 is an apocalyptic number.

340455163 is a deficient number, since it is larger than the sum of its proper divisors (1).

340455163 is an equidigital number, since it uses as much as digits as its factorization.

340455163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 340455163 is about 18451.4271263770. The cubic root of 340455163 is about 698.2645192181.

The spelling of 340455163 in words is "three hundred forty million, four hundred fifty-five thousand, one hundred sixty-three".