266684004686 has 8 divisors (see below), whose sum is σ = 436392007704. Its totient is φ = 121220002120.

The previous prime is 266684004683. The next prime is 266684004689. The reversal of 266684004686 is 686400486662.

It is an interprime number because it is at equal distance from previous prime (266684004683) and next prime (266684004689).

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

It is a super-2 number, since 2×266684004686² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266684004683) by changing a digit.

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, 6061000085 + ... + 6061000128.

It is an arithmetic number, because the mean of its divisors is an integer number (54549000963).

Almost surely, 2^266684004686 is an apocalyptic number.

266684004686 is a deficient number, since it is larger than the sum of its proper divisors (169708003018).

266684004686 is a wasteful number, since it uses less digits than its factorization.

266684004686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122000226.

The product of its (nonzero) digits is 15925248, while the sum is 56.

The spelling of 266684004686 in words is "two hundred sixty-six billion, six hundred eighty-four million, four thousand, six hundred eighty-six".