266302323672 has 64 divisors (see below), whose sum is σ = 830033222400. Its totient is φ = 69169434240.

The previous prime is 266302323619. The next prime is 266302323751. The reversal of 266302323672 is 276323203662.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 72049647 + ... + 72053342.

It is an arithmetic number, because the mean of its divisors is an integer number (12969269100).

Almost surely, 2^266302323672 is an apocalyptic number.

266302323672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

266302323672 is an abundant number, since it is smaller than the sum of its proper divisors (563730898728).

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

266302323672 is a wasteful number, since it uses less digits than its factorization.

266302323672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144103016 (or 144103012 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 42.

The spelling of 266302323672 in words is "two hundred sixty-six billion, three hundred two million, three hundred twenty-three thousand, six hundred seventy-two".