163604316 has 12 divisors (see below), whose sum is σ = 381743432. Its totient is φ = 54534768.

The previous prime is 163604303. The next prime is 163604323. The reversal of 163604316 is 613406361.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 6816835 + ... + 6816858.

Almost surely, 2^163604316 is an apocalyptic number.

It is an amenable number.

163604316 is an abundant number, since it is smaller than the sum of its proper divisors (218139116).

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

163604316 is a wasteful number, since it uses less digits than its factorization.

163604316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13633700 (or 13633698 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 163604316 is about 12790.7902805104. The cubic root of 163604316 is about 546.9297981378.

The spelling of 163604316 in words is "one hundred sixty-three million, six hundred four thousand, three hundred sixteen".