128674257546 has 16 divisors (see below), whose sum is σ = 257447870208. Its totient is φ = 42874860000.

The previous prime is 128674257533. The next prime is 128674257581. The reversal of 128674257546 is 645752476821.

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, 4122955 + ... + 4154046.

It is an arithmetic number, because the mean of its divisors is an integer number (16090491888).

Almost surely, 2^128674257546 is an apocalyptic number.

128674257546 is an abundant number, since it is smaller than the sum of its proper divisors (128773612662).

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

128674257546 is a wasteful number, since it uses less digits than its factorization.

128674257546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279597.

The product of its digits is 22579200, while the sum is 57.

The spelling of 128674257546 in words is "one hundred twenty-eight billion, six hundred seventy-four million, two hundred fifty-seven thousand, five hundred forty-six".