16266730331 has 2 divisors, whose sum is σ = 16266730332. Its totient is φ = 16266730330.

The previous prime is 16266730321. The next prime is 16266730369. The reversal of 16266730331 is 13303766261.

It is a happy number.

It is an a-pointer prime, because the next prime (16266730369) can be obtained adding 16266730331 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16266730331 - 2¹⁰ = 16266729307 is a prime.

It is a super-2 number, since 2×16266730331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16266730321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8133365165 + 8133365166.

It is an arithmetic number, because the mean of its divisors is an integer number (8133365166).

Almost surely, 2^16266730331 is an apocalyptic number.

16266730331 is a deficient number, since it is larger than the sum of its proper divisors (1).

16266730331 is an equidigital number, since it uses as much as digits as its factorization.

16266730331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 16266730331 in words is "sixteen billion, two hundred sixty-six million, seven hundred thirty thousand, three hundred thirty-one".