2056600165 has 8 divisors (see below), whose sum is σ = 2501727768. Its totient is φ = 1622741760.

The previous prime is 2056600121. The next prime is 2056600213. The reversal of 2056600165 is 5610066502.

It can be written as a sum of positive squares in 4 ways, for example, as 45346756 + 2011253409 = 6734^2 + 44847^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2056600165 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2816896 + ... + 2817625.

It is an arithmetic number, because the mean of its divisors is an integer number (312715971).

Almost surely, 2^2056600165 is an apocalyptic number.

It is an amenable number.

2056600165 is a deficient number, since it is larger than the sum of its proper divisors (445127603).

2056600165 is an equidigital number, since it uses as much as digits as its factorization.

2056600165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634599.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2056600165 is about 45349.7537479533. The cubic root of 2056600165 is about 1271.6959517228.

Adding to 2056600165 its reverse (5610066502), we get a palindrome (7666666667).

The spelling of 2056600165 in words is "two billion, fifty-six million, six hundred thousand, one hundred sixty-five".