1266727681676 has 24 divisors (see below), whose sum is σ = 2223429899040. Its totient is φ = 631462762112.

The previous prime is 1266727681643. The next prime is 1266727681757. The reversal of 1266727681676 is 6761867276621.

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, 6703400 + ... + 6889776.

It is an arithmetic number, because the mean of its divisors is an integer number (92642912460).

Almost surely, 2^{1266727681676} is an apocalyptic number.

It is an amenable number.

1266727681676 is a deficient number, since it is larger than the sum of its proper divisors (956702217364).

1266727681676 is a wasteful number, since it uses less digits than its factorization.

1266727681676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191473 (or 191471 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 65.

The spelling of 1266727681676 in words is "one trillion, two hundred sixty-six billion, seven hundred twenty-seven million, six hundred eighty-one thousand, six hundred seventy-six".