3946198122178 has 16 divisors (see below), whose sum is σ = 6510258115200. Its totient is φ = 1782570673296.

The previous prime is 3946198122169. The next prime is 3946198122221. The reversal of 3946198122178 is 8712218916493.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614646128 + ... + 1614648571.

It is an arithmetic number, because the mean of its divisors is an integer number (406891132200).

Almost surely, 2^{3946198122178} is an apocalyptic number.

3946198122178 is a deficient number, since it is larger than the sum of its proper divisors (2564059993022).

3946198122178 is a wasteful number, since it uses less digits than its factorization.

3946198122178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229294761.

The product of its digits is 10450944, while the sum is 61.

The spelling of 3946198122178 in words is "three trillion, nine hundred forty-six billion, one hundred ninety-eight million, one hundred twenty-two thousand, one hundred seventy-eight".