163610849 has 2 divisors, whose sum is σ = 163610850. Its totient is φ = 163610848.

The previous prime is 163610813. The next prime is 163610879. The reversal of 163610849 is 948016361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93470224 + 70140625 = 9668^2 + 8375^2 .

It is a cyclic number.

It is not a de Polignac number, because 163610849 - 2¹⁶ = 163545313 is a prime.

It is not a weakly prime, because it can be changed into another prime (163610879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81805424 + 81805425.

It is an arithmetic number, because the mean of its divisors is an integer number (81805425).

Almost surely, 2^163610849 is an apocalyptic number.

It is an amenable number.

163610849 is a deficient number, since it is larger than the sum of its proper divisors (1).

163610849 is an equidigital number, since it uses as much as digits as its factorization.

163610849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 163610849 is about 12791.0456570212. The cubic root of 163610849 is about 546.9370779881.

The spelling of 163610849 in words is "one hundred sixty-three million, six hundred ten thousand, eight hundred forty-nine".