16206131 has 2 divisors, whose sum is σ = 16206132. Its totient is φ = 16206130.

The previous prime is 16206119. The next prime is 16206133. The reversal of 16206131 is 13160261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16206131 - 2⁶ = 16206067 is a prime.

It is a super-2 number, since 2×16206131² = 525277363978322, which contains 22 as substring.

Together with 16206133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16206133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8103065 + 8103066.

It is an arithmetic number, because the mean of its divisors is an integer number (8103066).

Almost surely, 2^16206131 is an apocalyptic number.

16206131 is a deficient number, since it is larger than the sum of its proper divisors (1).

16206131 is an equidigital number, since it uses as much as digits as its factorization.

16206131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 16206131 is about 4025.6839170506. The cubic root of 16206131 is about 253.0617158465.

Adding to 16206131 its reverse (13160261), we get a palindrome (29366392).

The spelling of 16206131 in words is "sixteen million, two hundred six thousand, one hundred thirty-one".