163922147 has 2 divisors, whose sum is σ = 163922148. Its totient is φ = 163922146.

The previous prime is 163922117. The next prime is 163922179. The reversal of 163922147 is 741229361.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163922147 is a prime.

It is not a weakly prime, because it can be changed into another prime (163922117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81961073 + 81961074.

It is an arithmetic number, because the mean of its divisors is an integer number (81961074).

Almost surely, 2^163922147 is an apocalyptic number.

163922147 is a deficient number, since it is larger than the sum of its proper divisors (1).

163922147 is an equidigital number, since it uses as much as digits as its factorization.

163922147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 163922147 is about 12803.2084650684. The cubic root of 163922147 is about 547.2837390851.

The spelling of 163922147 in words is "one hundred sixty-three million, nine hundred twenty-two thousand, one hundred forty-seven".