266622970 has 16 divisors (see below), whose sum is σ = 480568968. Its totient is φ = 106505280.

The previous prime is 266622901. The next prime is 266622973. The reversal of 266622970 is 79226662.

It can be written as a sum of positive squares in 4 ways, for example, as 261048649 + 5574321 = 16157^2 + 2361^2 .

It is not an unprimeable number, because it can be changed into a prime (266622973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10041 + ... + 25180.

Almost surely, 2^266622970 is an apocalyptic number.

266622970 is a deficient number, since it is larger than the sum of its proper divisors (213945998).

266622970 is a wasteful number, since it uses less digits than its factorization.

266622970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35985.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 266622970 is about 16328.5936320309. The cubic root of 266622970 is about 643.6244305934.

The spelling of 266622970 in words is "two hundred sixty-six million, six hundred twenty-two thousand, nine hundred seventy".