106659 has 12 divisors (see below), whose sum is σ = 176176. Its totient is φ = 60912.

The previous prime is 106657. The next prime is 106661. The reversal of 106659 is 956601.

106659 is a `hidden beast` number, since 1 + 0 + 6 + 659 = 666.

It is an interprime number because it is at equal distance from previous prime (106657) and next prime (106661).

It is not a de Polignac number, because 106659 - 2¹ = 106657 is a prime.

It is a super-2 number, since 2×106659² = 22752284562, which contains 22 as substring.

106659 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (106657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 784 + ... + 909.

2¹⁰⁶⁶⁵⁹ is an apocalyptic number.

106659 is a deficient number, since it is larger than the sum of its proper divisors (69517).

106659 is a wasteful number, since it uses less digits than its factorization.

106659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1703 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 106659 is about 326.5868950218. The cubic root of 106659 is about 47.4241078028.

The spelling of 106659 in words is "one hundred six thousand, six hundred fifty-nine".