106599599 has 2 divisors, whose sum is σ = 106599600. Its totient is φ = 106599598.

The previous prime is 106599593. The next prime is 106599601. The reversal of 106599599 is 995995601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106599599 - 2⁸ = 106599343 is a prime.

It is a super-2 number, since 2×106599599² = 22726949013921602, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 106599601, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 106599599.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106599593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53299799 + 53299800.

It is an arithmetic number, because the mean of its divisors is an integer number (53299800).

Almost surely, 2^106599599 is an apocalyptic number.

106599599 is a deficient number, since it is larger than the sum of its proper divisors (1).

106599599 is an equidigital number, since it uses as much as digits as its factorization.

106599599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 984150, while the sum is 53.

The square root of 106599599 is about 10324.7081798954. The cubic root of 106599599 is about 474.1530228698.

The spelling of 106599599 in words is "one hundred six million, five hundred ninety-nine thousand, five hundred ninety-nine".