6560157644 has 12 divisors (see below), whose sum is σ = 11487945000. Its totient is φ = 3277887648.

The previous prime is 6560157631. The next prime is 6560157649. The reversal of 6560157644 is 4467510656.

It is a junction number, because it is equal to n+sod(n) for n = 6560157595 and 6560157604.

It is not an unprimeable number, because it can be changed into a prime (6560157649) 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, 541049 + ... + 553040.

It is an arithmetic number, because the mean of its divisors is an integer number (957328750).

Almost surely, 2^6560157644 is an apocalyptic number.

It is an amenable number.

6560157644 is a deficient number, since it is larger than the sum of its proper divisors (4927787356).

6560157644 is a wasteful number, since it uses less digits than its factorization.

6560157644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095592 (or 1095590 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 6560157644 is about 80994.8001046981. The cubic root of 6560157644 is about 1871.9953197554.

The spelling of 6560157644 in words is "six billion, five hundred sixty million, one hundred fifty-seven thousand, six hundred forty-four".