266664440407006 has 8 divisors (see below), whose sum is σ = 405476066920464. Its totient is φ = 131505751433520.

The previous prime is 266664440406829. The next prime is 266664440407007. The reversal of 266664440407006 is 600704044466662.

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

It is a super-2 number, since 2×266664440407006² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266664440407007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913234384810 + ... + 913234385101.

It is an arithmetic number, because the mean of its divisors is an integer number (50684508365058).

Almost surely, 2^{266664440407006} is an apocalyptic number.

266664440407006 is a deficient number, since it is larger than the sum of its proper divisors (138811626513458).

266664440407006 is a wasteful number, since it uses less digits than its factorization.

266664440407006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826468769986.

The product of its (nonzero) digits is 27869184, while the sum is 55.

The spelling of 266664440407006 in words is "two hundred sixty-six trillion, six hundred sixty-four billion, four hundred forty million, four hundred seven thousand, six".