266131109066 has 8 divisors (see below), whose sum is σ = 412073975424. Its totient is φ = 128773117260.

The previous prime is 266131109059. The next prime is 266131109107. The reversal of 266131109066 is 660901131662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146218560 + ... + 2146218683.

It is an arithmetic number, because the mean of its divisors is an integer number (51509246928).

Almost surely, 2^266131109066 is an apocalyptic number.

266131109066 is a deficient number, since it is larger than the sum of its proper divisors (145942866358).

266131109066 is a wasteful number, since it uses less digits than its factorization.

266131109066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292437276.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 266131109066 in words is "two hundred sixty-six billion, one hundred thirty-one million, one hundred nine thousand, sixty-six".