1266666982 has 32 divisors (see below), whose sum is σ = 2200746240. Its totient is φ = 535572000.

The previous prime is 1266666979. The next prime is 1266667007. The reversal of 1266666982 is 2896666621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381373 + ... + 384679.

It is an arithmetic number, because the mean of its divisors is an integer number (68773320).

Almost surely, 2^1266666982 is an apocalyptic number.

1266666982 is a deficient number, since it is larger than the sum of its proper divisors (934079258).

1266666982 is a wasteful number, since it uses less digits than its factorization.

1266666982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676.

The product of its digits is 2239488, while the sum is 52.

The square root of 1266666982 is about 35590.2652701550. The cubic root of 1266666982 is about 1081.9839453089.

The spelling of 1266666982 in words is "one billion, two hundred sixty-six million, six hundred sixty-six thousand, nine hundred eighty-two".