266012644600560 has 160 divisors (see below), whose sum is σ = 968806890390528. Its totient is φ = 59527305077760.

The previous prime is 266012644600531. The next prime is 266012644600603. The reversal of 266012644600560 is 65006446210662.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3875441272 + ... + 3875509911.

Almost surely, 2^{266012644600560} is an apocalyptic number.

266012644600560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266012644600560 is an abundant number, since it is smaller than the sum of its proper divisors (702794245789968).

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

266012644600560 is a wasteful number, since it uses less digits than its factorization.

266012644600560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750951223 (or 7750951217 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 266012644600560 in words is "two hundred sixty-six trillion, twelve billion, six hundred forty-four million, six hundred thousand, five hundred sixty".