1266679268 has 48 divisors (see below), whose sum is σ = 2288430144. Its totient is φ = 613307520.

The previous prime is 1266679229. The next prime is 1266679291. The reversal of 1266679268 is 8629766621.

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, 6429746 + ... + 6429942.

It is an arithmetic number, because the mean of its divisors is an integer number (47675628).

Almost surely, 2^1266679268 is an apocalyptic number.

It is an amenable number.

1266679268 is a deficient number, since it is larger than the sum of its proper divisors (1021750876).

1266679268 is a wasteful number, since it uses less digits than its factorization.

1266679268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 1266679268 is about 35590.4378731142. The cubic root of 1266679268 is about 1081.9874435216.

The spelling of 1266679268 in words is "one billion, two hundred sixty-six million, six hundred seventy-nine thousand, two hundred sixty-eight".