1266325466 has 16 divisors (see below), whose sum is σ = 2191922304. Its totient is φ = 537441264.

The previous prime is 1266325457. The next prime is 1266325469. The reversal of 1266325466 is 6645236621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1266325469) 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 in 7 ways as a sum of consecutive naturals, for example, 437645 + ... + 440528.

It is an arithmetic number, because the mean of its divisors is an integer number (136995144).

Almost surely, 2^1266325466 is an apocalyptic number.

1266325466 is a deficient number, since it is larger than the sum of its proper divisors (925596838).

1266325466 is a wasteful number, since it uses less digits than its factorization.

1266325466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878285.

The product of its digits is 311040, while the sum is 41.

The square root of 1266325466 is about 35585.4670617093. The cubic root of 1266325466 is about 1081.8866958480.

The spelling of 1266325466 in words is "one billion, two hundred sixty-six million, three hundred twenty-five thousand, four hundred sixty-six".