128568382670 has 64 divisors (see below), whose sum is σ = 289656138240. Its totient is φ = 40000099968.

The previous prime is 128568382667. The next prime is 128568382681. The reversal of 128568382670 is 76283865821.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1143632 + ... + 1251011.

It is an arithmetic number, because the mean of its divisors is an integer number (4525877160).

Almost surely, 2^128568382670 is an apocalyptic number.

128568382670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128568382670 is an abundant number, since it is smaller than the sum of its proper divisors (161087755570).

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

128568382670 is a wasteful number, since it uses less digits than its factorization.

128568382670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394729.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 128568382670 in words is "one hundred twenty-eight billion, five hundred sixty-eight million, three hundred eighty-two thousand, six hundred seventy".