16327131 has 8 divisors (see below), whose sum is σ = 21821520. Its totient is φ = 10858752.

The previous prime is 16327121. The next prime is 16327141. The reversal of 16327131 is 13172361.

It is an interprime number because it is at equal distance from previous prime (16327121) and next prime (16327141).

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

It is not a de Polignac number, because 16327131 - 2⁶ = 16327067 is a prime.

It is a super-2 number, since 2×16327131² = 533150413382322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16327121) 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, 4986 + ... + 7583.

It is an arithmetic number, because the mean of its divisors is an integer number (2727690).

Almost surely, 2^16327131 is an apocalyptic number.

16327131 is a deficient number, since it is larger than the sum of its proper divisors (5494389).

16327131 is a wasteful number, since it uses less digits than its factorization.

16327131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13005.

The product of its digits is 756, while the sum is 24.

The square root of 16327131 is about 4040.6844717201. The cubic root of 16327131 is about 253.6899672750.

Adding to 16327131 its reverse (13172361), we get a palindrome (29499492).

The spelling of 16327131 in words is "sixteen million, three hundred twenty-seven thousand, one hundred thirty-one".