3946674166554 has 128 divisors (see below), whose sum is σ = 9376749158400. Its totient is φ = 1106784628992.

The previous prime is 3946674166511. The next prime is 3946674166577. The reversal of 3946674166554 is 4556614766493.

3946674166554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23870679 + ... + 24035445.

It is an arithmetic number, because the mean of its divisors is an integer number (73255852800).

Almost surely, 2^{3946674166554} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3946674166554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4688374579200).

3946674166554 is an abundant number, since it is smaller than the sum of its proper divisors (5430074991846).

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

3946674166554 is a wasteful number, since it uses less digits than its factorization.

3946674166554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165009 (or 164995 counting only the distinct ones).

The product of its digits is 391910400, while the sum is 66.

The spelling of 3946674166554 in words is "three trillion, nine hundred forty-six billion, six hundred seventy-four million, one hundred sixty-six thousand, five hundred fifty-four".