1266830018814 has 16 divisors (see below), whose sum is σ = 2543293729152. Its totient is φ = 420671057688.

The previous prime is 1266830018801. The next prime is 1266830018819. The reversal of 1266830018814 is 4188100386621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266830018819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401402104 + ... + 401405259.

It is an arithmetic number, because the mean of its divisors is an integer number (158955858072).

Almost surely, 2^{1266830018814} is an apocalyptic number.

1266830018814 is an abundant number, since it is smaller than the sum of its proper divisors (1276463710338).

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

1266830018814 is a wasteful number, since it uses less digits than its factorization.

1266830018814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802807631.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 1266830018814 in words is "one trillion, two hundred sixty-six billion, eight hundred thirty million, eighteen thousand, eight hundred fourteen".