163690363 has 2 divisors, whose sum is σ = 163690364. Its totient is φ = 163690362.

The previous prime is 163690361. The next prime is 163690421. The reversal of 163690363 is 363096361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163690363 - 2¹ = 163690361 is a prime.

Together with 163690361, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (163690361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81845181 + 81845182.

It is an arithmetic number, because the mean of its divisors is an integer number (81845182).

Almost surely, 2^163690363 is an apocalyptic number.

163690363 is a deficient number, since it is larger than the sum of its proper divisors (1).

163690363 is an equidigital number, since it uses as much as digits as its factorization.

163690363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 163690363 is about 12794.1534694563. The cubic root of 163690363 is about 547.0256664728.

The spelling of 163690363 in words is "one hundred sixty-three million, six hundred ninety thousand, three hundred sixty-three".