266770991473 has 16 divisors (see below), whose sum is σ = 309527971200. Its totient is φ = 225193107456.

The previous prime is 266770991429. The next prime is 266770991477. The reversal of 266770991473 is 374199077662.

266770991473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 266770991473 - 2²¹ = 266768894321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266770991477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540048 + ... + 908401.

It is an arithmetic number, because the mean of its divisors is an integer number (19345498200).

Almost surely, 2^266770991473 is an apocalyptic number.

It is an amenable number.

266770991473 is a deficient number, since it is larger than the sum of its proper divisors (42756979727).

266770991473 is a wasteful number, since it uses less digits than its factorization.

266770991473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448856.

The product of its (nonzero) digits is 24004512, while the sum is 61.

The spelling of 266770991473 in words is "two hundred sixty-six billion, seven hundred seventy million, nine hundred ninety-one thousand, four hundred seventy-three".