16143316 has 24 divisors (see below), whose sum is σ = 32429376. Its totient is φ = 6888000.

The previous prime is 16143313. The next prime is 16143317. The reversal of 16143316 is 61334161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16143313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5880 + ... + 8176.

It is an arithmetic number, because the mean of its divisors is an integer number (1351224).

Almost surely, 2^16143316 is an apocalyptic number.

It is an amenable number.

16143316 is an abundant number, since it is smaller than the sum of its proper divisors (16286060).

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

16143316 is a wasteful number, since it uses less digits than its factorization.

16143316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559 (or 2557 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 16143316 is about 4017.8745625019. The cubic root of 16143316 is about 252.7343365817.

Adding to 16143316 its reverse (61334161), we get a palindrome (77477477).

The spelling of 16143316 in words is "sixteen million, one hundred forty-three thousand, three hundred sixteen".