5167766081 has 2 divisors, whose sum is σ = 5167766082. Its totient is φ = 5167766080.

The previous prime is 5167766033. The next prime is 5167766089. The reversal of 5167766081 is 1806677615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4430100481 + 737665600 = 66559^2 + 27160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5167766081 is a prime.

It is a super-2 number, since 2×5167766081² = 53411612535868197122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5167766089) 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 as a sum of consecutive naturals, namely, 2583883040 + 2583883041.

It is an arithmetic number, because the mean of its divisors is an integer number (2583883041).

Almost surely, 2^5167766081 is an apocalyptic number.

It is an amenable number.

5167766081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5167766081 is an equidigital number, since it uses as much as digits as its factorization.

5167766081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 5167766081 is about 71887.1760538693. The cubic root of 5167766081 is about 1728.8910086517.

The spelling of 5167766081 in words is "five billion, one hundred sixty-seven million, seven hundred sixty-six thousand, eighty-one".