128349317166 has 16 divisors (see below), whose sum is σ = 293369867904. Its totient is φ = 36671233464.

The previous prime is 128349317149. The next prime is 128349317177. The reversal of 128349317166 is 661713943821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527968020 + ... + 1527968103.

It is an arithmetic number, because the mean of its divisors is an integer number (18335616744).

Almost surely, 2^128349317166 is an apocalyptic number.

128349317166 is an abundant number, since it is smaller than the sum of its proper divisors (165020550738).

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

128349317166 is a wasteful number, since it uses less digits than its factorization.

128349317166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055936135.

The product of its digits is 1306368, while the sum is 51.

The spelling of 128349317166 in words is "one hundred twenty-eight billion, three hundred forty-nine million, three hundred seventeen thousand, one hundred sixty-six".