1266623530876 has 12 divisors (see below), whose sum is σ = 2418099468120. Its totient is φ = 575737968560.

The previous prime is 1266623530867. The next prime is 1266623530933. The reversal of 1266623530876 is 6780353266621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14393449171 + ... + 14393449258.

It is an arithmetic number, because the mean of its divisors is an integer number (201508289010).

Almost surely, 2^{1266623530876} is an apocalyptic number.

It is an amenable number.

1266623530876 is a deficient number, since it is larger than the sum of its proper divisors (1151475937244).

1266623530876 is a wasteful number, since it uses less digits than its factorization.

1266623530876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28786898444 (or 28786898442 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 1266623530876 in words is "one trillion, two hundred sixty-six billion, six hundred twenty-three million, five hundred thirty thousand, eight hundred seventy-six".