2068028161 has 8 divisors (see below), whose sum is σ = 2158741544. Its totient is φ = 1979147520.

The previous prime is 2068028143. The next prime is 2068028167. The reversal of 2068028161 is 1618208602.

It can be written as a sum of positive squares in 4 ways, for example, as 297217600 + 1770810561 = 17240^2 + 42081^2 .

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 2068028161 - 2¹¹ = 2068026113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2068028167) 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, 455880 + ... + 460393.

It is an arithmetic number, because the mean of its divisors is an integer number (269842693).

Almost surely, 2^2068028161 is an apocalyptic number.

It is an amenable number.

2068028161 is a deficient number, since it is larger than the sum of its proper divisors (90713383).

2068028161 is an equidigital number, since it uses as much as digits as its factorization.

2068028161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916371.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 2068028161 is about 45475.5776323952. The cubic root of 2068028161 is about 1274.0470975116.

It can be divided in two parts, 20680 and 28161, that added together give a square (48841 = 221²).

The spelling of 2068028161 in words is "two billion, sixty-eight million, twenty-eight thousand, one hundred sixty-one".