163349803 has 2 divisors, whose sum is σ = 163349804. Its totient is φ = 163349802.

The previous prime is 163349789. The next prime is 163349833. The reversal of 163349803 is 308943361.

163349803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163349803 is a prime.

It is not a weakly prime, because it can be changed into another prime (163349833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81674901 + 81674902.

It is an arithmetic number, because the mean of its divisors is an integer number (81674902).

Almost surely, 2^163349803 is an apocalyptic number.

163349803 is a deficient number, since it is larger than the sum of its proper divisors (1).

163349803 is an equidigital number, since it uses as much as digits as its factorization.

163349803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 163349803 is about 12780.8373356365. The cubic root of 163349803 is about 546.6460383270.

The spelling of 163349803 in words is "one hundred sixty-three million, three hundred forty-nine thousand, eight hundred three".