106559999 has 16 divisors (see below), whose sum is σ = 138055680. Its totient is φ = 79872480.

The previous prime is 106559993. The next prime is 106560011. The reversal of 106559999 is 999955601.

It is a cyclic number.

It is not a de Polignac number, because 106559999 - 2⁸ = 106559743 is a prime.

It is a super-2 number, since 2×106559999² = 22710066773760002, 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 106559999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106559993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29087 + ... + 32544.

It is an arithmetic number, because the mean of its divisors is an integer number (8628480).

Almost surely, 2^106559999 is an apocalyptic number.

106559999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

106559999 is a deficient number, since it is larger than the sum of its proper divisors (31495681).

106559999 is a wasteful number, since it uses less digits than its factorization.

106559999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61670.

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

The square root of 106559999 is about 10322.7902720146. The cubic root of 106559999 is about 474.0943022448.

The spelling of 106559999 in words is "one hundred six million, five hundred fifty-nine thousand, nine hundred ninety-nine".