8128597660 has 24 divisors (see below), whose sum is σ = 17103612960. Its totient is φ = 3245047104.

The previous prime is 8128597657. The next prime is 8128597667. The reversal of 8128597660 is 667958218.

It is a junction number, because it is equal to n+sod(n) for n = 8128597598 and 8128597607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8128597667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389064 + ... + 409423.

It is an arithmetic number, because the mean of its divisors is an integer number (712650540).

Almost surely, 2^8128597660 is an apocalyptic number.

It is an amenable number.

8128597660 is an abundant number, since it is smaller than the sum of its proper divisors (8975015300).

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

8128597660 is a wasteful number, since it uses less digits than its factorization.

8128597660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799005 (or 799003 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 8128597660 is about 90158.7359050691. The cubic root of 8128597660 is about 2010.6595576483.

The spelling of 8128597660 in words is "eight billion, one hundred twenty-eight million, five hundred ninety-seven thousand, six hundred sixty".