2170676161 has 8 divisors (see below), whose sum is σ = 2354421384. Its totient is φ = 1993159680.

The previous prime is 2170676149. The next prime is 2170676171. The reversal of 2170676161 is 1616760712.

It can be written as a sum of positive squares in 4 ways, for example, as 4704561 + 2165971600 = 2169^2 + 46540^2 .

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 2170676161 - 2¹³ = 2170667969 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 2170676161.

It is not an unprimeable number, because it can be changed into a prime (2170676171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556460 + ... + 1557853.

It is an arithmetic number, because the mean of its divisors is an integer number (294302673).

Almost surely, 2^2170676161 is an apocalyptic number.

It is an amenable number.

2170676161 is a deficient number, since it is larger than the sum of its proper divisors (183745223).

2170676161 is a wasteful number, since it uses less digits than its factorization.

2170676161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114371.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 2170676161 is about 46590.5157837945. The cubic root of 2170676161 is about 1294.7870454776.

The spelling of 2170676161 in words is "two billion, one hundred seventy million, six hundred seventy-six thousand, one hundred sixty-one".