16313316 has 24 divisors (see below), whose sum is σ = 39293184. Its totient is φ = 5262240.

The previous prime is 16313309. The next prime is 16313333. The reversal of 16313316 is 61331361.

16313316 = 89² + 90² + ... + 367².

It is a super-2 number, since 2×16313316² = 532248557831712, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 21555 + ... + 22298.

It is an arithmetic number, because the mean of its divisors is an integer number (1637216).

Almost surely, 2^16313316 is an apocalyptic number.

It is an amenable number.

16313316 is an abundant number, since it is smaller than the sum of its proper divisors (22979868).

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

16313316 is a wasteful number, since it uses less digits than its factorization.

16313316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43891 (or 43889 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

The square root of 16313316 is about 4038.9746223516. The cubic root of 16313316 is about 253.6183948749.

Adding to 16313316 its reverse (61331361), we get a palindrome (77644677).

The spelling of 16313316 in words is "sixteen million, three hundred thirteen thousand, three hundred sixteen".