5167516691 has 2 divisors, whose sum is σ = 5167516692. Its totient is φ = 5167516690.

The previous prime is 5167516687. The next prime is 5167516693. The reversal of 5167516691 is 1966157615.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5167516691 - 2² = 5167516687 is a prime.

Together with 5167516693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5167516693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583758345 + 2583758346.

It is an arithmetic number, because the mean of its divisors is an integer number (2583758346).

Almost surely, 2^5167516691 is an apocalyptic number.

5167516691 is a deficient number, since it is larger than the sum of its proper divisors (1).

5167516691 is an equidigital number, since it uses as much as digits as its factorization.

5167516691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 47.

The square root of 5167516691 is about 71885.4414398354. The cubic root of 5167516691 is about 1728.8631968237.

The spelling of 5167516691 in words is "five billion, one hundred sixty-seven million, five hundred sixteen thousand, six hundred ninety-one".