266266242406 has 16 divisors (see below), whose sum is σ = 412335946368. Its totient is φ = 128822025600.

The previous prime is 266266242377. The next prime is 266266242461. The reversal of 266266242406 is 604242662662.

It is a congruent number.

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, 221166 + ... + 762526.

It is an arithmetic number, because the mean of its divisors is an integer number (25770996648).

Almost surely, 2^266266242406 is an apocalyptic number.

266266242406 is a deficient number, since it is larger than the sum of its proper divisors (146069703962).

266266242406 is a wasteful number, since it uses less digits than its factorization.

266266242406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549327.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 266266242406 in words is "two hundred sixty-six billion, two hundred sixty-six million, two hundred forty-two thousand, four hundred six".