266322650 has 48 divisors (see below), whose sum is σ = 553009248. Its totient is φ = 94584000.

The previous prime is 266322613. The next prime is 266322653. The reversal of 266322650 is 56223662.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (266322653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18020 + ... + 29280.

It is an arithmetic number, because the mean of its divisors is an integer number (11521026).

Almost surely, 2^266322650 is an apocalyptic number.

266322650 is an abundant number, since it is smaller than the sum of its proper divisors (286686598).

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

266322650 is a wasteful number, since it uses less digits than its factorization.

266322650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327 (or 11322 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 266322650 is about 16319.3949029981. The cubic root of 266322650 is about 643.3826835944.

The spelling of 266322650 in words is "two hundred sixty-six million, three hundred twenty-two thousand, six hundred fifty".