16131716 has 24 divisors (see below), whose sum is σ = 29393280. Its totient is φ = 7740512.

The previous prime is 16131679. The next prime is 16131761. The reversal of 16131716 is 61713161.

It is a super-2 number, since 2×16131716² = 520464522209312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9155 + ... + 10773.

It is an arithmetic number, because the mean of its divisors is an integer number (1224720).

Almost surely, 2^16131716 is an apocalyptic number.

It is an amenable number.

16131716 is a deficient number, since it is larger than the sum of its proper divisors (13261564).

16131716 is a wasteful number, since it uses less digits than its factorization.

16131716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723 (or 1721 counting only the distinct ones).

The product of its digits is 756, while the sum is 26.

The square root of 16131716 is about 4016.4307537912. The cubic root of 16131716 is about 252.6737868410.

Adding to 16131716 its reverse (61713161), we get a palindrome (77844877).

The spelling of 16131716 in words is "sixteen million, one hundred thirty-one thousand, seven hundred sixteen".