3486456645661 has 16 divisors (see below), whose sum is σ = 3825371214720. Its totient is φ = 3151250105920.

The previous prime is 3486456645647. The next prime is 3486456645677. The reversal of 3486456645661 is 1665466546843.

It is a cyclic number.

It is not a de Polignac number, because 3486456645661 - 2³³ = 3477866711069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3486456645593 and 3486456645602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3486456645631) 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, 288711 + ... + 2656363.

It is an arithmetic number, because the mean of its divisors is an integer number (239085700920).

Almost surely, 2^{3486456645661} is an apocalyptic number.

It is an amenable number.

3486456645661 is a deficient number, since it is larger than the sum of its proper divisors (338914569059).

3486456645661 is a wasteful number, since it uses less digits than its factorization.

3486456645661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368436.

The product of its digits is 298598400, while the sum is 64.

The spelling of 3486456645661 in words is "three trillion, four hundred eighty-six billion, four hundred fifty-six million, six hundred forty-five thousand, six hundred sixty-one".