266983201 has 4 divisors (see below), whose sum is σ = 271508400. Its totient is φ = 262458004.

The previous prime is 266983177. The next prime is 266983219. The reversal of 266983201 is 102389662.

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 266983201 - 2¹⁵ = 266950433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266983261) 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 3 ways as a sum of consecutive naturals, for example, 2262511 + ... + 2262628.

It is an arithmetic number, because the mean of its divisors is an integer number (67877100).

Almost surely, 2^266983201 is an apocalyptic number.

It is an amenable number.

266983201 is a deficient number, since it is larger than the sum of its proper divisors (4525199).

266983201 is an equidigital number, since it uses as much as digits as its factorization.

266983201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525198.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 266983201 is about 16339.6205892303. The cubic root of 266983201 is about 643.9141644855.

The spelling of 266983201 in words is "two hundred sixty-six million, nine hundred eighty-three thousand, two hundred one".