266606082426 has 32 divisors (see below), whose sum is σ = 543384184320. Its totient is φ = 87174045504.

The previous prime is 266606082409. The next prime is 266606082437. The reversal of 266606082426 is 624280606662.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513860 + ... + 1680768.

It is an arithmetic number, because the mean of its divisors is an integer number (16980755760).

Almost surely, 2^266606082426 is an apocalyptic number.

266606082426 is an abundant number, since it is smaller than the sum of its proper divisors (276778101894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266606082426 is a wasteful number, since it uses less digits than its factorization.

266606082426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171990.

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 266606082426 in words is "two hundred sixty-six billion, six hundred six million, eighty-two thousand, four hundred twenty-six".