266622051 has 4 divisors (see below), whose sum is σ = 355496072. Its totient is φ = 177748032.

The previous prime is 266622047. The next prime is 266622053. The reversal of 266622051 is 150226662.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 266622051 - 2² = 266622047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266622053) 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, 44437006 + ... + 44437011.

It is an arithmetic number, because the mean of its divisors is an integer number (88874018).

Almost surely, 2^266622051 is an apocalyptic number.

266622051 is a deficient number, since it is larger than the sum of its proper divisors (88874021).

266622051 is an equidigital number, since it uses as much as digits as its factorization.

266622051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88874020.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 266622051 is about 16328.5654911875. The cubic root of 266622051 is about 643.6236911078.

The spelling of 266622051 in words is "two hundred sixty-six million, six hundred twenty-two thousand, fifty-one".