2056201617 has 8 divisors (see below), whose sum is σ = 2742129760. Its totient is φ = 1370537280.

The previous prime is 2056201613. The next prime is 2056201643. The reversal of 2056201617 is 7161026502.

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

It is not a de Polignac number, because 2056201617 - 2² = 2056201613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056201613) 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, 46984 + ... + 79497.

It is an arithmetic number, because the mean of its divisors is an integer number (342766220).

Almost surely, 2^2056201617 is an apocalyptic number.

It is an amenable number.

2056201617 is a deficient number, since it is larger than the sum of its proper divisors (685928143).

2056201617 is a wasteful number, since it uses less digits than its factorization.

2056201617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131903.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 2056201617 is about 45345.3593766771. The cubic root of 2056201617 is about 1271.6137992088.

The spelling of 2056201617 in words is "two billion, fifty-six million, two hundred one thousand, six hundred seventeen".