8605042406646 has 32 divisors (see below), whose sum is σ = 19670193473280. Its totient is φ = 2458392905376.

The previous prime is 8605042406603. The next prime is 8605042406647. The reversal of 8605042406646 is 6466042405068.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8605042406647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7394761 + ... + 8478948.

It is an arithmetic number, because the mean of its divisors is an integer number (614693546040).

Almost surely, 2^{8605042406646} is an apocalyptic number.

8605042406646 is an abundant number, since it is smaller than the sum of its proper divisors (11065151066634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8605042406646 is a wasteful number, since it uses less digits than its factorization.

8605042406646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15886628.

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 8605042406646 in words is "eight trillion, six hundred five billion, forty-two million, four hundred six thousand, six hundred forty-six".