5166561163 has 2 divisors, whose sum is σ = 5166561164. Its totient is φ = 5166561162.

The previous prime is 5166561131. The next prime is 5166561199. The reversal of 5166561163 is 3611656615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5166561163 - 2⁵ = 5166561131 is a prime.

It is not a weakly prime, because it can be changed into another prime (5166561863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583280581 + 2583280582.

It is an arithmetic number, because the mean of its divisors is an integer number (2583280582).

Almost surely, 2^5166561163 is an apocalyptic number.

5166561163 is a deficient number, since it is larger than the sum of its proper divisors (1).

5166561163 is an equidigital number, since it uses as much as digits as its factorization.

5166561163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 5166561163 is about 71878.7949467713. The cubic root of 5166561163 is about 1728.7566286128.

The spelling of 5166561163 in words is "five billion, one hundred sixty-six million, five hundred sixty-one thousand, one hundred sixty-three".