266336426 has 16 divisors (see below), whose sum is σ = 402969600. Its totient is φ = 132018480.

The previous prime is 266336423. The next prime is 266336429. The reversal of 266336426 is 624633662.

It is an interprime number because it is at equal distance from previous prime (266336423) and next prime (266336429).

It is a self number, because there is not a number n which added to its sum of digits gives 266336426.

It is not an unprimeable number, because it can be changed into a prime (266336423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125111 + ... + 127221.

It is an arithmetic number, because the mean of its divisors is an integer number (25185600).

Almost surely, 2^266336426 is an apocalyptic number.

266336426 is a deficient number, since it is larger than the sum of its proper divisors (136633174).

266336426 is a wasteful number, since it uses less digits than its factorization.

266336426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629.

The product of its digits is 186624, while the sum is 38.

The square root of 266336426 is about 16319.8169720129. The cubic root of 266336426 is about 643.3937767640.

The spelling of 266336426 in words is "two hundred sixty-six million, three hundred thirty-six thousand, four hundred twenty-six".