11968420389166 has 16 divisors (see below), whose sum is σ = 18008691255360. Its totient is φ = 5965536245760.

The previous prime is 11968420389151. The next prime is 11968420389197. The reversal of 11968420389166 is 66198302486911.

It is a super-2 number, since 2×11968420389166² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11968420389098 and 11968420389107.

It is a congruent number.

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, 1383571 + ... + 5084398.

It is an arithmetic number, because the mean of its divisors is an integer number (1125543203460).

Almost surely, 2^{11968420389166} is an apocalyptic number.

11968420389166 is a deficient number, since it is larger than the sum of its proper divisors (6040270866194).

11968420389166 is a wasteful number, since it uses less digits than its factorization.

11968420389166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470859.

The product of its (nonzero) digits is 26873856, while the sum is 64.

The spelling of 11968420389166 in words is "eleven trillion, nine hundred sixty-eight billion, four hundred twenty million, three hundred eighty-nine thousand, one hundred sixty-six".