163398804 has 24 divisors (see below), whose sum is σ = 384050688. Its totient is φ = 54068160.

The previous prime is 163398797. The next prime is 163398811. The reversal of 163398804 is 408893361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (163398797) and next prime (163398811).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48052 + ... + 51339.

It is an arithmetic number, because the mean of its divisors is an integer number (16002112).

Almost surely, 2^163398804 is an apocalyptic number.

It is an amenable number.

163398804 is an abundant number, since it is smaller than the sum of its proper divisors (220651884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163398804 is a wasteful number, since it uses less digits than its factorization.

163398804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99535 (or 99533 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 163398804 is about 12782.7541633249. The cubic root of 163398804 is about 546.7006930701.

The spelling of 163398804 in words is "one hundred sixty-three million, three hundred ninety-eight thousand, eight hundred four".