106665203 has 8 divisors (see below), whose sum is σ = 112185216. Its totient is φ = 101275200.

The previous prime is 106665199. The next prime is 106665233. The reversal of 106665203 is 302566601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106665203 - 2² = 106665199 is a prime.

It is a super-2 number, since 2×106665203² = 22754931062062418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106665233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30818 + ... + 34103.

It is an arithmetic number, because the mean of its divisors is an integer number (14023152).

Almost surely, 2^106665203 is an apocalyptic number.

106665203 is a deficient number, since it is larger than the sum of its proper divisors (5520013).

106665203 is an equidigital number, since it uses as much as digits as its factorization.

106665203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65005.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 106665203 is about 10327.8847301856. The cubic root of 106665203 is about 474.2502713779.

The spelling of 106665203 in words is "one hundred six million, six hundred sixty-five thousand, two hundred three".