2056216067879 has 8 divisors (see below), whose sum is σ = 2075553546768. Its totient is φ = 2036880820800.

The previous prime is 2056216067863. The next prime is 2056216067891. The reversal of 2056216067879 is 9787606126502.

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 2056216067879 - 2⁴ = 2056216067863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056216067849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323029 + ... + 2421329.

It is an arithmetic number, because the mean of its divisors is an integer number (259444193346).

Almost surely, 2^{2056216067879} is an apocalyptic number.

2056216067879 is a deficient number, since it is larger than the sum of its proper divisors (19337478889).

2056216067879 is a wasteful number, since it uses less digits than its factorization.

2056216067879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115905.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 2056216067879 in words is "two trillion, fifty-six billion, two hundred sixteen million, sixty-seven thousand, eight hundred seventy-nine".