266115364660464 has 60 divisors (see below), whose sum is σ = 755643008621928. Its totient is φ = 80641019592320.

The previous prime is 266115364660433. The next prime is 266115364660529. The reversal of 266115364660464 is 464066463511662.

It is a junction number, because it is equal to n+sod(n) for n = 266115364660398 and 266115364660407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22909374759 + ... + 22909386374.

Almost surely, 2^{266115364660464} is an apocalyptic number.

266115364660464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

266115364660464 is an abundant number, since it is smaller than the sum of its proper divisors (489527643961464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266115364660464 is a wasteful number, since it uses less digits than its factorization.

266115364660464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45818761166 (or 45818761149 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 60.

The spelling of 266115364660464 in words is "two hundred sixty-six trillion, one hundred fifteen billion, three hundred sixty-four million, six hundred sixty thousand, four hundred sixty-four".