16131427 has 8 divisors (see below), whose sum is σ = 17536176. Its totient is φ = 14750112.

The previous prime is 16131421. The next prime is 16131443. The reversal of 16131427 is 72413161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16131427 - 2¹⁵ = 16098659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16131421) 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, 4408 + ... + 7189.

It is an arithmetic number, because the mean of its divisors is an integer number (2192022).

Almost surely, 2^16131427 is an apocalyptic number.

16131427 is a deficient number, since it is larger than the sum of its proper divisors (1404749).

16131427 is a wasteful number, since it uses less digits than its factorization.

16131427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11717.

The product of its digits is 1008, while the sum is 25.

The square root of 16131427 is about 4016.3947764133. The cubic root of 16131427 is about 252.6722779467.

Adding to 16131427 its reverse (72413161), we get a palindrome (88544588).

The spelling of 16131427 in words is "sixteen million, one hundred thirty-one thousand, four hundred twenty-seven".