16132631 has 4 divisors (see below), whose sum is σ = 16173264. Its totient is φ = 16092000.

The previous prime is 16132619. The next prime is 16132651. The reversal of 16132631 is 13623161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13623161 = 281 ⋅48481.

It is a cyclic number.

It is not a de Polignac number, because 16132631 - 2¹⁰ = 16131607 is a prime.

It is a super-2 number, since 2×16132631² = 520523565964322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16132597 and 16132606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16132651) 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 3 ways as a sum of consecutive naturals, for example, 19715 + ... + 20516.

It is an arithmetic number, because the mean of its divisors is an integer number (4043316).

Almost surely, 2^16132631 is an apocalyptic number.

16132631 is a deficient number, since it is larger than the sum of its proper divisors (40633).

16132631 is an equidigital number, since it uses as much as digits as its factorization.

16132631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40632.

The product of its digits is 648, while the sum is 23.

The square root of 16132631 is about 4016.5446592812. The cubic root of 16132631 is about 252.6785640171.

Adding to 16132631 its reverse (13623161), we get a palindrome (29755792).

The spelling of 16132631 in words is "sixteen million, one hundred thirty-two thousand, six hundred thirty-one".