163345249 has 2 divisors, whose sum is σ = 163345250. Its totient is φ = 163345248.

The previous prime is 163345243. The next prime is 163345277. The reversal of 163345249 is 942543361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89643024 + 73702225 = 9468^2 + 8585^2 .

It is a cyclic number.

It is not a de Polignac number, because 163345249 - 2¹⁵ = 163312481 is a prime.

It is not a weakly prime, because it can be changed into another prime (163345243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81672624 + 81672625.

It is an arithmetic number, because the mean of its divisors is an integer number (81672625).

Almost surely, 2^163345249 is an apocalyptic number.

It is an amenable number.

163345249 is a deficient number, since it is larger than the sum of its proper divisors (1).

163345249 is an equidigital number, since it uses as much as digits as its factorization.

163345249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 163345249 is about 12780.6591770534. The cubic root of 163345249 is about 546.6409583306.

The spelling of 163345249 in words is "one hundred sixty-three million, three hundred forty-five thousand, two hundred forty-nine".