266122634 has 4 divisors (see below), whose sum is σ = 399183954. Its totient is φ = 133061316.

The previous prime is 266122609. The next prime is 266122663. The reversal of 266122634 is 436221662.

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

It can be written as a sum of positive squares in only one way, i.e., 222099409 + 44023225 = 14903^2 + 6635^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266122634.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 66530657 + ... + 66530660.

Almost surely, 2^266122634 is an apocalyptic number.

266122634 is a deficient number, since it is larger than the sum of its proper divisors (133061320).

266122634 is a wasteful number, since it uses less digits than its factorization.

266122634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133061319.

The product of its digits is 20736, while the sum is 32.

The square root of 266122634 is about 16313.2655835673. The cubic root of 266122634 is about 643.2215769315.

The spelling of 266122634 in words is "two hundred sixty-six million, one hundred twenty-two thousand, six hundred thirty-four".