266480058518 has 4 divisors (see below), whose sum is σ = 399720087780. Its totient is φ = 133240029258.

The previous prime is 266480058487. The next prime is 266480058599. The reversal of 266480058518 is 815850084662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 815850084662 = 2 ⋅407925042331.

It is a self number, because there is not a number n which added to its sum of digits gives 266480058518.

It is a congruent number.

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, 66620014628 + ... + 66620014631.

It is an arithmetic number, because the mean of its divisors is an integer number (99930021945).

Almost surely, 2^266480058518 is an apocalyptic number.

266480058518 is a deficient number, since it is larger than the sum of its proper divisors (133240029262).

266480058518 is a wasteful number, since it uses less digits than its factorization.

266480058518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133240029261.

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 266480058518 in words is "two hundred sixty-six billion, four hundred eighty million, fifty-eight thousand, five hundred eighteen".