6099167981 has 2 divisors, whose sum is σ = 6099167982. Its totient is φ = 6099167980.

The previous prime is 6099167891. The next prime is 6099167993. The reversal of 6099167981 is 1897619906.

Together with previous prime (6099167891) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3108062500 + 2991105481 = 55750^2 + 54691^2 .

It is a cyclic number.

It is not a de Polignac number, because 6099167981 - 2³⁰ = 5025426157 is a prime.

It is a super-2 number, since 2×6099167981² = 74399700120911232722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6099167281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3049583990 + 3049583991.

It is an arithmetic number, because the mean of its divisors is an integer number (3049583991).

Almost surely, 2^6099167981 is an apocalyptic number.

It is an amenable number.

6099167981 is a deficient number, since it is larger than the sum of its proper divisors (1).

6099167981 is an equidigital number, since it uses as much as digits as its factorization.

6099167981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The square root of 6099167981 is about 78097.1701215864. The cubic root of 6099167981 is about 1827.0770603021.

The spelling of 6099167981 in words is "six billion, ninety-nine million, one hundred sixty-seven thousand, nine hundred eighty-one".