3946866054066 has 48 divisors (see below), whose sum is σ = 9216294831744. Its totient is φ = 1213505066592.

The previous prime is 3946866054059. The next prime is 3946866054067. The reversal of 3946866054066 is 6604506686493.

It is a happy number.

3946866054066 is a `hidden beast` number, since 3 + 9 + 4 + 6 + 86 + 6 + 0 + 540 + 6 + 6 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3946866053994 and 3946866054012.

It is not an unprimeable number, because it can be changed into a prime (3946866054067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6044776 + ... + 6665811.

It is an arithmetic number, because the mean of its divisors is an integer number (192006142328).

Almost surely, 2^{3946866054066} is an apocalyptic number.

3946866054066 is an abundant number, since it is smaller than the sum of its proper divisors (5269428777678).

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

3946866054066 is a wasteful number, since it uses less digits than its factorization.

3946866054066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12711935 (or 12711932 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 63.

The spelling of 3946866054066 in words is "three trillion, nine hundred forty-six billion, eight hundred sixty-six million, fifty-four thousand, sixty-six".