2666965336848 has 60 divisors (see below), whose sum is σ = 7464937687740. Its totient is φ = 888852799488.

The previous prime is 2666965336771. The next prime is 2666965336891. The reversal of 2666965336848 is 8486335696662.

It can be written as a sum of positive squares in 2 ways, for example, as 2434498642944 + 232466693904 = 1560288^2 + 482148^2 .

It is a super-2 number, since 2×2666965336848² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 463761 + ... + 2355632.

It is an arithmetic number, because the mean of its divisors is an integer number (124415628129).

Almost surely, 2^{2666965336848} is an apocalyptic number.

It is an amenable number.

2666965336848 is an abundant number, since it is smaller than the sum of its proper divisors (4797972350892).

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

2666965336848 is a wasteful number, since it uses less digits than its factorization.

2666965336848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825976 (or 2825967 counting only the distinct ones).

The product of its digits is 1612431360, while the sum is 72.

The spelling of 2666965336848 in words is "two trillion, six hundred sixty-six billion, nine hundred sixty-five million, three hundred thirty-six thousand, eight hundred forty-eight".