163969346 has 8 divisors (see below), whose sum is σ = 256647744. Its totient is φ = 78420100.

The previous prime is 163969343. The next prime is 163969349. The reversal of 163969346 is 643969361.

163969346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163969343) and next prime (163969349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 163969346.

It is not an unprimeable number, because it can be changed into a prime (163969343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782230 + ... + 1782321.

It is an arithmetic number, because the mean of its divisors is an integer number (32080968).

Almost surely, 2^163969346 is an apocalyptic number.

163969346 is a deficient number, since it is larger than the sum of its proper divisors (92678398).

163969346 is a wasteful number, since it uses less digits than its factorization.

163969346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564576.

The product of its digits is 629856, while the sum is 47.

The square root of 163969346 is about 12805.0515813096. The cubic root of 163969346 is about 547.3362615108.

The spelling of 163969346 in words is "one hundred sixty-three million, nine hundred sixty-nine thousand, three hundred forty-six".