1266666014 has 16 divisors (see below), whose sum is σ = 1962178560. Its totient is φ = 612625080.

The previous prime is 1266665993. The next prime is 1266666041. The reversal of 1266666014 is 4106666621.

It is a congruent number.

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, 221807 + ... + 227445.

It is an arithmetic number, because the mean of its divisors is an integer number (122636160).

Almost surely, 2^1266666014 is an apocalyptic number.

1266666014 is a deficient number, since it is larger than the sum of its proper divisors (695512546).

1266666014 is a wasteful number, since it uses less digits than its factorization.

1266666014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295.

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

The square root of 1266666014 is about 35590.2516709281. The cubic root of 1266666014 is about 1081.9836696877.

The spelling of 1266666014 in words is "one billion, two hundred sixty-six million, six hundred sixty-six thousand, fourteen".