266480061 has 16 divisors (see below), whose sum is σ = 369039360. Its totient is φ = 170858160.

The previous prime is 266480057. The next prime is 266480077. The reversal of 266480061 is 160084662.

It is a happy number.

It is not a de Polignac number, because 266480061 - 2² = 266480057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266480021) 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 15 ways as a sum of consecutive naturals, for example, 6370 + ... + 23948.

It is an arithmetic number, because the mean of its divisors is an integer number (23064960).

Almost surely, 2^266480061 is an apocalyptic number.

It is an amenable number.

266480061 is a deficient number, since it is larger than the sum of its proper divisors (102559299).

266480061 is a wasteful number, since it uses less digits than its factorization.

266480061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17776.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 266480061 is about 16324.2170103194. The cubic root of 266480061 is about 643.5094165441.

The spelling of 266480061 in words is "two hundred sixty-six million, four hundred eighty thousand, sixty-one".