6560194728738 has 64 divisors (see below), whose sum is σ = 15478869491712. Its totient is φ = 1813827435840.

The previous prime is 6560194728727. The next prime is 6560194728823. The reversal of 6560194728738 is 8378274910656.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84868695 + ... + 84945957.

It is an arithmetic number, because the mean of its divisors is an integer number (241857335808).

It is a 2-persistent number, because it is pandigital, and so is 2⋅6560194728738 = 13120389457476, but 3⋅6560194728738 = 19680584186214 is not.

Almost surely, 2^{6560194728738} is an apocalyptic number.

6560194728738 is an abundant number, since it is smaller than the sum of its proper divisors (8918674762974).

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

6560194728738 is a wasteful number, since it uses less digits than its factorization.

6560194728738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142519.

The product of its (nonzero) digits is 121927680, while the sum is 66.

The spelling of 6560194728738 in words is "six trillion, five hundred sixty billion, one hundred ninety-four million, seven hundred twenty-eight thousand, seven hundred thirty-eight".