2665588855662 has 96 divisors (see below), whose sum is σ = 6134325225600. Its totient is φ = 834190104384.

The previous prime is 2665588855637. The next prime is 2665588855673.

2665588855662 is a `hidden beast` number, since 2 + 6 + 6 + 5 + 5 + 8 + 8 + 8 + 556 + 62 = 666.

2665588855662 is nontrivially palindromic in base 10.

2665588855662 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 47 ways as a sum of consecutive naturals, for example, 20284533 + ... + 20415519.

It is an arithmetic number, because the mean of its divisors is an integer number (63899221100).

Almost surely, 2^{2665588855662} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2665588855662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3067162612800).

2665588855662 is an abundant number, since it is smaller than the sum of its proper divisors (3468736369938).

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

2665588855662 is a wasteful number, since it uses less digits than its factorization.

2665588855662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131550 (or 131547 counting only the distinct ones).

The product of its digits is 1658880000, while the sum is 72.

The spelling of 2665588855662 in words is "two trillion, six hundred sixty-five billion, five hundred eighty-eight million, eight hundred fifty-five thousand, six hundred sixty-two".