266312684832 has 96 divisors (see below), whose sum is σ = 729667491840. Its totient is φ = 84887742720.

The previous prime is 266312684819. The next prime is 266312684851. The reversal of 266312684832 is 238486213662.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×266312684832² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

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, 9062419 + ... + 9091757.

It is an arithmetic number, because the mean of its divisors is an integer number (7600703040).

Almost surely, 2^266312684832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266312684832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364833745920).

266312684832 is an abundant number, since it is smaller than the sum of its proper divisors (463354807008).

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

266312684832 is a wasteful number, since it uses less digits than its factorization.

266312684832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33486 (or 33478 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 51.

The spelling of 266312684832 in words is "two hundred sixty-six billion, three hundred twelve million, six hundred eighty-four thousand, eight hundred thirty-two".