16311416 has 32 divisors (see below), whose sum is σ = 34819200. Its totient is φ = 7091040.

The previous prime is 16311377. The next prime is 16311419. The reversal of 16311416 is 61411361.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 16311391 and 16311400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16311419) 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 7 ways as a sum of consecutive naturals, for example, 2006 + ... + 6053.

It is an arithmetic number, because the mean of its divisors is an integer number (1088100).

Almost surely, 2^16311416 is an apocalyptic number.

It is an amenable number.

16311416 is an abundant number, since it is smaller than the sum of its proper divisors (18507784).

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

16311416 is a wasteful number, since it uses less digits than its factorization.

16311416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8099 (or 8095 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 16311416 is about 4038.7394072903. The cubic root of 16311416 is about 253.6085482429.

Adding to 16311416 its reverse (61411361), we get a palindrome (77722777).

The spelling of 16311416 in words is "sixteen million, three hundred eleven thousand, four hundred sixteen".