266626722076 has 96 divisors (see below), whose sum is σ = 581331195648. Its totient is φ = 105124469760.

The previous prime is 266626722067. The next prime is 266626722077. The reversal of 266626722076 is 670227626662.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266626722077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6231211 + ... + 6273853.

It is an arithmetic number, because the mean of its divisors is an integer number (6055533288).

Almost surely, 2^266626722076 is an apocalyptic number.

266626722076 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

266626722076 is an abundant number, since it is smaller than the sum of its proper divisors (314704473572).

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

266626722076 is a wasteful number, since it uses less digits than its factorization.

266626722076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43331 (or 43329 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 266626722076 in words is "two hundred sixty-six billion, six hundred twenty-six million, seven hundred twenty-two thousand, seventy-six".