2161662683 has 2 divisors, whose sum is σ = 2161662684. Its totient is φ = 2161662682.

The previous prime is 2161662677. The next prime is 2161662689. The reversal of 2161662683 is 3862661612.

It is a balanced prime because it is at equal distance from previous prime (2161662677) and next prime (2161662689).

It is a cyclic number.

It is not a de Polignac number, because 2161662683 - 2¹⁰ = 2161661659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2161662683.

It is not a weakly prime, because it can be changed into another prime (2161662689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080831341 + 1080831342.

It is an arithmetic number, because the mean of its divisors is an integer number (1080831342).

Almost surely, 2^2161662683 is an apocalyptic number.

2161662683 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161662683 is an equidigital number, since it uses as much as digits as its factorization.

2161662683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 2161662683 is about 46493.6843345416. The cubic root of 2161662683 is about 1292.9924087595.

The spelling of 2161662683 in words is "two billion, one hundred sixty-one million, six hundred sixty-two thousand, six hundred eighty-three".