16313904 has 60 divisors (see below), whose sum is σ = 45971016. Its totient is φ = 5400576.

The previous prime is 16313903. The next prime is 16313909. The reversal of 16313904 is 40931361.

It is a super-2 number, since 2×16313904² = 532286927442432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16313903) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 27499 + ... + 28085.

Almost surely, 2^16313904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16313904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22985508).

16313904 is an abundant number, since it is smaller than the sum of its proper divisors (29657112).

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

16313904 is a wasteful number, since it uses less digits than its factorization.

16313904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 16313904 is about 4039.0474124476. The cubic root of 16313904 is about 253.6214419935.

The spelling of 16313904 in words is "sixteen million, three hundred thirteen thousand, nine hundred four".