6560967890 has 8 divisors (see below), whose sum is σ = 11809742220. Its totient is φ = 2624387152.

The previous prime is 6560967883. The next prime is 6560967893. The reversal of 6560967890 is 987690656.

It can be written as a sum of positive squares in 2 ways, for example, as 6328679809 + 232288081 = 79553^2 + 15241^2 .

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

It is a super-2 number, since 2×6560967890² = 86092599307222104200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6560967893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328048385 + ... + 328048404.

Almost surely, 2^6560967890 is an apocalyptic number.

6560967890 is a deficient number, since it is larger than the sum of its proper divisors (5248774330).

6560967890 is a wasteful number, since it uses less digits than its factorization.

6560967890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656096796.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The square root of 6560967890 is about 80999.8017898809. The cubic root of 6560967890 is about 1872.0723867183.

The spelling of 6560967890 in words is "six billion, five hundred sixty million, nine hundred sixty-seven thousand, eight hundred ninety".