163312204 has 24 divisors (see below), whose sum is σ = 313091856. Its totient is φ = 73920000.

The previous prime is 163312187. The next prime is 163312231. The reversal of 163312204 is 402213361.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2904 + ... + 18304.

It is an arithmetic number, because the mean of its divisors is an integer number (13045494).

Almost surely, 2^163312204 is an apocalyptic number.

It is an amenable number.

163312204 is a deficient number, since it is larger than the sum of its proper divisors (149779652).

163312204 is a wasteful number, since it uses less digits than its factorization.

163312204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15657 (or 15655 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 163312204 is about 12779.3663379684. The cubic root of 163312204 is about 546.6040937369.

Adding to 163312204 its reverse (402213361), we get a palindrome (565525565).

The spelling of 163312204 in words is "one hundred sixty-three million, three hundred twelve thousand, two hundred four".