266790355 has 8 divisors (see below), whose sum is σ = 344775312. Its totient is φ = 197014368.

The previous prime is 266790353. The next prime is 266790379. The reversal of 266790355 is 553097662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266790355 - 2¹ = 266790353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266790353) 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, 2052169 + ... + 2052298.

It is an arithmetic number, because the mean of its divisors is an integer number (43096914).

Almost surely, 2^266790355 is an apocalyptic number.

266790355 is a deficient number, since it is larger than the sum of its proper divisors (77984957).

266790355 is a wasteful number, since it uses less digits than its factorization.

266790355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104485.

The product of its (nonzero) digits is 340200, while the sum is 43.

The square root of 266790355 is about 16333.7183458023. The cubic root of 266790355 is about 643.7590908321.

The spelling of 266790355 in words is "two hundred sixty-six million, seven hundred ninety thousand, three hundred fifty-five".