266490033 has 4 divisors (see below), whose sum is σ = 355320048. Its totient is φ = 177660020.

The previous prime is 266489969. The next prime is 266490061. The reversal of 266490033 is 330094662.

266490033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 266490033 - 2⁶ = 266489969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266489976 and 266490003.

It is not an unprimeable number, because it can be changed into a prime (266490233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44415003 + ... + 44415008.

It is an arithmetic number, because the mean of its divisors is an integer number (88830012).

Almost surely, 2^266490033 is an apocalyptic number.

It is an amenable number.

266490033 is a deficient number, since it is larger than the sum of its proper divisors (88830015).

266490033 is an equidigital number, since it uses as much as digits as its factorization.

266490033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88830014.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 266490033 is about 16324.5224432447. The cubic root of 266490033 is about 643.5174434059.

The spelling of 266490033 in words is "two hundred sixty-six million, four hundred ninety thousand, thirty-three".