266664440407012 has 12 divisors (see below), whose sum is σ = 466663420707120. Its totient is φ = 133332034490696.

The previous prime is 266664440407007. The next prime is 266664440407021. The reversal of 266664440407012 is 210704044466662.

It is a super-2 number, since 2×266664440407012² (a number of 30 digits) contains 22 as substring.

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, 43172062 + ... + 48960757.

It is an arithmetic number, because the mean of its divisors is an integer number (38888618392260).

Almost surely, 2^{266664440407012} is an apocalyptic number.

It is an amenable number.

266664440407012 is a deficient number, since it is larger than the sum of its proper divisors (199998980300108).

266664440407012 is a wasteful number, since it uses less digits than its factorization.

266664440407012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92856410 (or 92856408 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 52.

The spelling of 266664440407012 in words is "two hundred sixty-six trillion, six hundred sixty-four billion, four hundred forty million, four hundred seven thousand, twelve".