128568142606 has 8 divisors (see below), whose sum is σ = 204196461840. Its totient is φ = 60502655328.

The previous prime is 128568142561. The next prime is 128568142613. The reversal of 128568142606 is 606241865821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 128568142606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890707946 + ... + 1890708013.

It is an arithmetic number, because the mean of its divisors is an integer number (25524557730).

Almost surely, 2^128568142606 is an apocalyptic number.

128568142606 is a deficient number, since it is larger than the sum of its proper divisors (75628319234).

128568142606 is a wasteful number, since it uses less digits than its factorization.

128568142606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781415978.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 128568142606 in words is "one hundred twenty-eight billion, five hundred sixty-eight million, one hundred forty-two thousand, six hundred six".