16312316 has 36 divisors (see below), whose sum is σ = 30842448. Its totient is φ = 7546368.

The previous prime is 16312291. The next prime is 16312327. The reversal of 16312316 is 61321361.

It is a happy number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 16312291 and 16312300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119000 + ... + 119136.

Almost surely, 2^16312316 is an apocalyptic number.

It is an amenable number.

16312316 is a deficient number, since it is larger than the sum of its proper divisors (14530132).

16312316 is a wasteful number, since it uses less digits than its factorization.

16312316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 259 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 16312316 is about 4038.8508266585. The cubic root of 16312316 is about 253.6132125323.

Adding to 16312316 its reverse (61321361), we get a palindrome (77633677).

The spelling of 16312316 in words is "sixteen million, three hundred twelve thousand, three hundred sixteen".