2057721276606 has 8 divisors (see below), whose sum is σ = 4115442553224. Its totient is φ = 685907092200.

The previous prime is 2057721276571. The next prime is 2057721276623. The reversal of 2057721276606 is 6066721277502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2057721276606 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171476773045 + ... + 171476773056.

It is an arithmetic number, because the mean of its divisors is an integer number (514430319153).

Almost surely, 2^{2057721276606} is an apocalyptic number.

2057721276606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2057721276606 is a wasteful number, since it uses less digits than its factorization.

2057721276606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342953546106.

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 2057721276606 in words is "two trillion, fifty-seven billion, seven hundred twenty-one million, two hundred seventy-six thousand, six hundred six".