266622672 has 40 divisors (see below), whose sum is σ = 705579840. Its totient is φ = 86705920.

The previous prime is 266622667. The next prime is 266622683. The reversal of 266622672 is 276226662.

266622672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 266622672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65772 + ... + 69707.

It is an arithmetic number, because the mean of its divisors is an integer number (17639496).

Almost surely, 2^266622672 is an apocalyptic number.

It is an amenable number.

266622672 is an abundant number, since it is smaller than the sum of its proper divisors (438957168).

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

266622672 is a wasteful number, since it uses less digits than its factorization.

266622672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135531 (or 135525 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 266622672 is about 16328.5845069314. The cubic root of 266622672 is about 643.6241908039.

The spelling of 266622672 in words is "two hundred sixty-six million, six hundred twenty-two thousand, six hundred seventy-two".