266323090 has 16 divisors (see below), whose sum is σ = 522961920. Its totient is φ = 96844720.

The previous prime is 266323081. The next prime is 266323091. The reversal of 266323090 is 90323662.

It is not an unprimeable number, because it can be changed into a prime (266323091) 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 7 ways as a sum of consecutive naturals, for example, 1210450 + ... + 1210669.

It is an arithmetic number, because the mean of its divisors is an integer number (32685120).

Almost surely, 2^266323090 is an apocalyptic number.

266323090 is a deficient number, since it is larger than the sum of its proper divisors (256638830).

266323090 is a wasteful number, since it uses less digits than its factorization.

266323090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421137.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 266323090 is about 16319.4083838845. The cubic root of 266323090 is about 643.3830379117.

The spelling of 266323090 in words is "two hundred sixty-six million, three hundred twenty-three thousand, ninety".