16313908 has 18 divisors (see below), whose sum is σ = 30915654. Its totient is φ = 7529184.

The previous prime is 16313903. The next prime is 16313909. The reversal of 16313908 is 80931361.

It can be written as a sum of positive squares in 3 ways, for example, as 8464 + 16305444 = 92^2 + 4038^2 .

It is a super-3 number, since 3×16313908³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 16313908.

It is a congruent number.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11391 + ... + 12742.

Almost surely, 2^16313908 is an apocalyptic number.

It is an amenable number.

16313908 is a deficient number, since it is larger than the sum of its proper divisors (14601746).

16313908 is a wasteful number, since it uses less digits than its factorization.

16313908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24163 (or 24148 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 16313908 is about 4039.0479076139. The cubic root of 16313908 is about 253.6214627219.

The spelling of 16313908 in words is "sixteen million, three hundred thirteen thousand, nine hundred eight".