16126306531 has 2 divisors, whose sum is σ = 16126306532. Its totient is φ = 16126306530.

The previous prime is 16126306489. The next prime is 16126306543. The reversal of 16126306531 is 13560362161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16126306531 - 2⁹ = 16126306019 is a prime.

It is a super-2 number, since 2×16126306531² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16126306571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8063153265 + 8063153266.

It is an arithmetic number, because the mean of its divisors is an integer number (8063153266).

Almost surely, 2^16126306531 is an apocalyptic number.

16126306531 is a deficient number, since it is larger than the sum of its proper divisors (1).

16126306531 is an equidigital number, since it uses as much as digits as its factorization.

16126306531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 16126306531 its reverse (13560362161), we get a palindrome (29686668692).

It can be divided in two parts, 1612630 and 6531, that added together give a palindrome (1619161).

The spelling of 16126306531 in words is "sixteen billion, one hundred twenty-six million, three hundred six thousand, five hundred thirty-one".