106599 has 4 divisors (see below), whose sum is σ = 142136. Its totient is φ = 71064.

The previous prime is 106591. The next prime is 106619. The reversal of 106599 is 995601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 106599 - 2³ = 106591 is a prime.

It is a super-2 number, since 2×106599² = 22726693602, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17764 + ... + 17769.

It is an arithmetic number, because the mean of its divisors is an integer number (35534).

2¹⁰⁶⁵⁹⁹ is an apocalyptic number.

106599 is a deficient number, since it is larger than the sum of its proper divisors (35537).

106599 is an equidigital number, since it uses as much as digits as its factorization.

106599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35536.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 106599 is about 326.4950229330. The cubic root of 106599 is about 47.4152134755.

The spelling of 106599 in words is "one hundred six thousand, five hundred ninety-nine".