2163166403 has 2 divisors, whose sum is σ = 2163166404. Its totient is φ = 2163166402.

The previous prime is 2163166373. The next prime is 2163166457. The reversal of 2163166403 is 3046613612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2163166403 - 2⁶ = 2163166339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2163166403.

It is not a weakly prime, because it can be changed into another prime (2163966403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081583201 + 1081583202.

It is an arithmetic number, because the mean of its divisors is an integer number (1081583202).

Almost surely, 2^2163166403 is an apocalyptic number.

2163166403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163166403 is an equidigital number, since it uses as much as digits as its factorization.

2163166403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 2163166403 is about 46509.8527518632. The cubic root of 2163166403 is about 1293.2921545518.

The spelling of 2163166403 in words is "two billion, one hundred sixty-three million, one hundred sixty-six thousand, four hundred three".