266081868974 has 8 divisors (see below), whose sum is σ = 405887596920. Its totient is φ = 130786003336.

The previous prime is 266081868971. The next prime is 266081868989. The reversal of 266081868974 is 479868180662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 266081868974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266081868971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127465429 + ... + 1127465664.

It is an arithmetic number, because the mean of its divisors is an integer number (50735949615).

Almost surely, 2^266081868974 is an apocalyptic number.

266081868974 is a deficient number, since it is larger than the sum of its proper divisors (139805727946).

266081868974 is a wasteful number, since it uses less digits than its factorization.

266081868974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254931154.

The product of its (nonzero) digits is 55738368, while the sum is 65.

The spelling of 266081868974 in words is "two hundred sixty-six billion, eighty-one million, eight hundred sixty-eight thousand, nine hundred seventy-four".