106688291 has 2 divisors, whose sum is σ = 106688292. Its totient is φ = 106688290.

The previous prime is 106688269. The next prime is 106688299. The reversal of 106688291 is 192886601.

It is a strong prime.

It is an emirp because it is prime and its reverse (192886601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106688291 is a prime.

It is a super-2 number, since 2×106688291² = 22764782873001362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106688299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53344145 + 53344146.

It is an arithmetic number, because the mean of its divisors is an integer number (53344146).

Almost surely, 2^106688291 is an apocalyptic number.

106688291 is a deficient number, since it is larger than the sum of its proper divisors (1).

106688291 is an equidigital number, since it uses as much as digits as its factorization.

106688291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 106688291 is about 10329.0024203695. The cubic root of 106688291 is about 474.2844865359.

The spelling of 106688291 in words is "one hundred six million, six hundred eighty-eight thousand, two hundred ninety-one".