266164662123266 has 16 divisors (see below), whose sum is σ = 426337167363840. Its totient is φ = 124348340479440.

The previous prime is 266164662123253. The next prime is 266164662123271. The reversal of 266164662123266 is 662321266461662.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74016867536 + ... + 74016871131.

It is an arithmetic number, because the mean of its divisors is an integer number (26646072960240).

Almost surely, 2^{266164662123266} is an apocalyptic number.

266164662123266 is a deficient number, since it is larger than the sum of its proper divisors (160172505240574).

266164662123266 is a wasteful number, since it uses less digits than its factorization.

266164662123266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148033738729.

The product of its digits is 53747712, while the sum is 59.

The spelling of 266164662123266 in words is "two hundred sixty-six trillion, one hundred sixty-four billion, six hundred sixty-two million, one hundred twenty-three thousand, two hundred sixty-six".