2666264260812 has 24 divisors (see below), whose sum is σ = 6224615562816. Its totient is φ = 888278712528.

The previous prime is 2666264260811. The next prime is 2666264260823. The reversal of 2666264260812 is 2180624626662.

It is not an unprimeable number, because it can be changed into a prime (2666264260811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59481798 + ... + 59526605.

It is an arithmetic number, because the mean of its divisors is an integer number (259358981784).

Almost surely, 2^{2666264260812} is an apocalyptic number.

It is an amenable number.

2666264260812 is an abundant number, since it is smaller than the sum of its proper divisors (3558351302004).

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

2666264260812 is a wasteful number, since it uses less digits than its factorization.

2666264260812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119010277 (or 119010275 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 2666264260812 in words is "two trillion, six hundred sixty-six billion, two hundred sixty-four million, two hundred sixty thousand, eight hundred twelve".