16481316 has 24 divisors (see below), whose sum is σ = 38525760. Its totient is φ = 5483872.

The previous prime is 16481293. The next prime is 16481327. The reversal of 16481316 is 61318461.

It is a congruent number.

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, 9250 + ... + 10886.

It is an arithmetic number, because the mean of its divisors is an integer number (1605240).

Almost surely, 2^16481316 is an apocalyptic number.

It is an amenable number.

16481316 is an abundant number, since it is smaller than the sum of its proper divisors (22044444).

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

16481316 is a wasteful number, since it uses less digits than its factorization.

16481316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483 (or 2481 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 16481316 is about 4059.7187094674. The cubic root of 16481316 is about 254.4860389926.

Adding to 16481316 its reverse (61318461), we get a palindrome (77799777).

The spelling of 16481316 in words is "sixteen million, four hundred eighty-one thousand, three hundred sixteen".