2660011787676 has 144 divisors (see below), whose sum is σ = 7017366908160. Its totient is φ = 779205934080.

The previous prime is 2660011787651. The next prime is 2660011787677. The reversal of 2660011787676 is 6767871100662.

2660011787676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660011787677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 855582810 + ... + 855585918.

It is an arithmetic number, because the mean of its divisors is an integer number (48731714640).

Almost surely, 2^{2660011787676} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2660011787676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3508683454080).

2660011787676 is an abundant number, since it is smaller than the sum of its proper divisors (4357355120484).

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

2660011787676 is a wasteful number, since it uses less digits than its factorization.

2660011787676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332 (or 3221 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 2660011787676 in words is "two trillion, six hundred sixty billion, eleven million, seven hundred eighty-seven thousand, six hundred seventy-six".