665026106 has 8 divisors (see below), whose sum is σ = 1050041280. Its totient is φ = 315012348.

The previous prime is 665026097. The next prime is 665026133. The reversal of 665026106 is 601620566.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8750306 + ... + 8750381.

It is an arithmetic number, because the mean of its divisors is an integer number (131255160).

Almost surely, 2^665026106 is an apocalyptic number.

665026106 is a deficient number, since it is larger than the sum of its proper divisors (385015174).

665026106 is a wasteful number, since it uses less digits than its factorization.

665026106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17500708.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 665026106 is about 25788.1000851168. The cubic root of 665026106 is about 872.8632952594.

The spelling of 665026106 in words is "six hundred sixty-five million, twenty-six thousand, one hundred six".