163313347 has 2 divisors, whose sum is σ = 163313348. Its totient is φ = 163313346.

The previous prime is 163313333. The next prime is 163313389. The reversal of 163313347 is 743313361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163313347 is a prime.

It is not a weakly prime, because it can be changed into another prime (163313327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81656673 + 81656674.

It is an arithmetic number, because the mean of its divisors is an integer number (81656674).

Almost surely, 2^163313347 is an apocalyptic number.

163313347 is a deficient number, since it is larger than the sum of its proper divisors (1).

163313347 is an equidigital number, since it uses as much as digits as its factorization.

163313347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 31.

The square root of 163313347 is about 12779.4110584174. The cubic root of 163313347 is about 546.6053689366.

The spelling of 163313347 in words is "one hundred sixty-three million, three hundred thirteen thousand, three hundred forty-seven".