266970801 has 8 divisors (see below), whose sum is σ = 356046624. Its totient is φ = 177937760.

The previous prime is 266970787. The next prime is 266970859. The reversal of 266970801 is 108079662.

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 266970801 - 2⁹ = 266970289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266970801.

It is not an unprimeable number, because it can be changed into a prime (266970001) 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 7 ways as a sum of consecutive naturals, for example, 9106 + ... + 24836.

It is an arithmetic number, because the mean of its divisors is an integer number (44505828).

Almost surely, 2^266970801 is an apocalyptic number.

It is an amenable number.

266970801 is a deficient number, since it is larger than the sum of its proper divisors (89075823).

266970801 is a wasteful number, since it uses less digits than its factorization.

266970801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21391.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 266970801 is about 16339.2411390493. The cubic root of 266970801 is about 643.9041954947.

The spelling of 266970801 in words is "two hundred sixty-six million, nine hundred seventy thousand, eight hundred one".