2660658782288 has 80 divisors (see below), whose sum is σ = 5886410953920. Its totient is φ = 1154873023488.

The previous prime is 2660658782273. The next prime is 2660658782311. The reversal of 2660658782288 is 8822878560662.

2660658782288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1915670 + ... + 2998517.

It is an arithmetic number, because the mean of its divisors is an integer number (73580136924).

Almost surely, 2^{2660658782288} is an apocalyptic number.

It is an amenable number.

2660658782288 is an abundant number, since it is smaller than the sum of its proper divisors (3225752171632).

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

2660658782288 is a wasteful number, since it uses less digits than its factorization.

2660658782288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914364 (or 4914358 counting only the distinct ones).

The product of its (nonzero) digits is 247726080, while the sum is 68.

The spelling of 2660658782288 in words is "two trillion, six hundred sixty billion, six hundred fifty-eight million, seven hundred eighty-two thousand, two hundred eighty-eight".