3188193750066 has 32 divisors (see below), whose sum is σ = 6867434665728. Its totient is φ = 980903289600.

The previous prime is 3188193750061. The next prime is 3188193750139. The reversal of 3188193750066 is 6600573918813.

It is a junction number, because it is equal to n+sod(n) for n = 3188193749988 and 3188193750015.

It is not an unprimeable number, because it can be changed into a prime (3188193750061) 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 15 ways as a sum of consecutive naturals, for example, 680746 + ... + 2615301.

It is an arithmetic number, because the mean of its divisors is an integer number (214607333304).

Almost surely, 2^{3188193750066} is an apocalyptic number.

3188193750066 is an abundant number, since it is smaller than the sum of its proper divisors (3679240915662).

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

3188193750066 is a wasteful number, since it uses less digits than its factorization.

3188193750066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308466.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 3188193750066 in words is "three trillion, one hundred eighty-eight billion, one hundred ninety-three million, seven hundred fifty thousand, sixty-six".