2056162200661 has 8 divisors (see below), whose sum is σ = 2058265209024. Its totient is φ = 2054059404960.

The previous prime is 2056162200641. The next prime is 2056162200749. The reversal of 2056162200661 is 1660022616502.

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

It is a cyclic number.

It is not a de Polignac number, because 2056162200661 - 2⁹ = 2056162200149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056162200661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056162200641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25490385 + ... + 25570921.

It is an arithmetic number, because the mean of its divisors is an integer number (257283151128).

Almost surely, 2^{2056162200661} is an apocalyptic number.

It is an amenable number.

2056162200661 is a deficient number, since it is larger than the sum of its proper divisors (2103008363).

2056162200661 is a wasteful number, since it uses less digits than its factorization.

2056162200661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106331.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 2056162200661 in words is "two trillion, fifty-six billion, one hundred sixty-two million, two hundred thousand, six hundred sixty-one".