100665106 has 8 divisors (see below), whose sum is σ = 151044300. Its totient is φ = 50317008.

The previous prime is 100665079. The next prime is 100665137. The reversal of 100665106 is 601566001.

It can be written as a sum of positive squares in 2 ways, for example, as 74563225 + 26101881 = 8635^2 + 5109^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3720 + ... + 14668.

Almost surely, 2^100665106 is an apocalyptic number.

100665106 is a deficient number, since it is larger than the sum of its proper divisors (50379194).

100665106 is a wasteful number, since it uses less digits than its factorization.

100665106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15548.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 100665106 is about 10033.2001873779. The cubic root of 100665106 is about 465.1856598582.

The spelling of 100665106 in words is "one hundred million, six hundred sixty-five thousand, one hundred six".