1266716706 has 16 divisors (see below), whose sum is σ = 2544499200. Its totient is φ = 420394608.

The previous prime is 1266716677. The next prime is 1266716749. The reversal of 1266716706 is 6076176621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459586 + ... + 462333.

It is an arithmetic number, because the mean of its divisors is an integer number (159031200).

Almost surely, 2^1266716706 is an apocalyptic number.

1266716706 is an abundant number, since it is smaller than the sum of its proper divisors (1277782494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266716706 is a wasteful number, since it uses less digits than its factorization.

1266716706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922153.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 1266716706 is about 35590.9638251059. The cubic root of 1266716706 is about 1081.9981031647.

The spelling of 1266716706 in words is "one billion, two hundred sixty-six million, seven hundred sixteen thousand, seven hundred six".