128143166188 has 24 divisors (see below), whose sum is σ = 226603926864. Its totient is φ = 63400550400.

The previous prime is 128143166167. The next prime is 128143166267. The reversal of 128143166188 is 881661341821.

It is a super-3 number, since 3×128143166188³ (a number of 34 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 207148 + ... + 546988.

It is an arithmetic number, because the mean of its divisors is an integer number (9441830286).

Almost surely, 2^128143166188 is an apocalyptic number.

It is an amenable number.

128143166188 is a deficient number, since it is larger than the sum of its proper divisors (98460760676).

128143166188 is a wasteful number, since it uses less digits than its factorization.

128143166188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340833 (or 340831 counting only the distinct ones).

The product of its digits is 442368, while the sum is 49.

The spelling of 128143166188 in words is "one hundred twenty-eight billion, one hundred forty-three million, one hundred sixty-six thousand, one hundred eighty-eight".