266893938806 has 16 divisors (see below), whose sum is σ = 437283539280. Its totient is φ = 121163203680.

The previous prime is 266893938791. The next prime is 266893938823. The reversal of 266893938806 is 608839398662.

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, 7593221 + ... + 7628288.

It is an arithmetic number, because the mean of its divisors is an integer number (27330221205).

Almost surely, 2^266893938806 is an apocalyptic number.

266893938806 is a deficient number, since it is larger than the sum of its proper divisors (170389600474).

266893938806 is a wasteful number, since it uses less digits than its factorization.

266893938806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15222319.

The product of its (nonzero) digits is 161243136, while the sum is 68.

The spelling of 266893938806 in words is "two hundred sixty-six billion, eight hundred ninety-three million, nine hundred thirty-eight thousand, eight hundred six".