266490883 has 8 divisors (see below), whose sum is σ = 273397680. Its totient is φ = 259666080.

The previous prime is 266490881. The next prime is 266490971. The reversal of 266490883 is 388094662.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266490883 - 2¹ = 266490881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266490881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13888 + ... + 26941.

It is an arithmetic number, because the mean of its divisors is an integer number (34174710).

Almost surely, 2^266490883 is an apocalyptic number.

266490883 is a deficient number, since it is larger than the sum of its proper divisors (6906797).

266490883 is a wasteful number, since it uses less digits than its factorization.

266490883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40997.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 266490883 is about 16324.5484776762. The cubic root of 266490883 is about 643.5181275957.

The spelling of 266490883 in words is "two hundred sixty-six million, four hundred ninety thousand, eight hundred eighty-three".