16131264266 has 16 divisors (see below), whose sum is σ = 27591031944. Its totient is φ = 7007245824.

The previous prime is 16131264251. The next prime is 16131264293. The reversal of 16131264266 is 66246213161.

It can be written as a sum of positive squares in 4 ways, for example, as 8705823025 + 7425441241 = 93305^2 + 86171^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 18247595 + ... + 18248478.

Almost surely, 2^16131264266 is an apocalyptic number.

16131264266 is a deficient number, since it is larger than the sum of its proper divisors (11459767678).

16131264266 is a wasteful number, since it uses less digits than its factorization.

16131264266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36496105.

The product of its digits is 62208, while the sum is 38.

The spelling of 16131264266 in words is "sixteen billion, one hundred thirty-one million, two hundred sixty-four thousand, two hundred sixty-six".