106668563 has 2 divisors, whose sum is σ = 106668564. Its totient is φ = 106668562.

The previous prime is 106668559. The next prime is 106668571. The reversal of 106668563 is 365866601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106668563 - 2² = 106668559 is a prime.

It is a super-2 number, since 2×106668563² = 22756364664969938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106668563.

It is not a weakly prime, because it can be changed into another prime (106668763) 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, 53334281 + 53334282.

It is an arithmetic number, because the mean of its divisors is an integer number (53334282).

Almost surely, 2^106668563 is an apocalyptic number.

106668563 is a deficient number, since it is larger than the sum of its proper divisors (1).

106668563 is an equidigital number, since it uses as much as digits as its factorization.

106668563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 106668563 is about 10328.0473953212. The cubic root of 106668563 is about 474.2552510217.

The spelling of 106668563 in words is "one hundred six million, six hundred sixty-eight thousand, five hundred sixty-three".