3879191666066 has 8 divisors (see below), whose sum is σ = 5818798832700. Its totient is φ = 1939592055168.

The previous prime is 3879191666057. The next prime is 3879191666081. The reversal of 3879191666066 is 6606661919783.

It can be written as a sum of positive squares in 2 ways, for example, as 2940124073041 + 939067593025 = 1714679^2 + 969055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3879191665987 and 3879191666005.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 356891 + ... + 2808158.

Almost surely, 2^{3879191666066} is an apocalyptic number.

3879191666066 is a deficient number, since it is larger than the sum of its proper divisors (1939607166634).

3879191666066 is a wasteful number, since it uses less digits than its factorization.

3879191666066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777868.

The product of its (nonzero) digits is 105815808, while the sum is 68.

The spelling of 3879191666066 in words is "three trillion, eight hundred seventy-nine billion, one hundred ninety-one million, six hundred sixty-six thousand, sixty-six".