2066123040696 has 768 divisors, whose sum is σ = 7025098429440. Its totient is φ = 539656888320.

The previous prime is 2066123040629. The next prime is 2066123040739. The reversal of 2066123040696 is 6960403216602.

2066123040696 is a `hidden beast` number, since 2 + 0 + 6 + 6 + 1 + 230 + 406 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1849706730 + ... + 1849707846.

It is an arithmetic number, because the mean of its divisors is an integer number (9147263580).

Almost surely, 2^{2066123040696} is an apocalyptic number.

2066123040696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066123040696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3512549214720).

2066123040696 is an abundant number, since it is smaller than the sum of its proper divisors (4958975388744).

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

2066123040696 is a wasteful number, since it uses less digits than its factorization.

2066123040696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 2066123040696 in words is "two trillion, sixty-six billion, one hundred twenty-three million, forty thousand, six hundred ninety-six".