1597125768 has 64 divisors (see below), whose sum is σ = 4568952960. Its totient is φ = 455748096.

The previous prime is 1597125749. The next prime is 1597125799. The reversal of 1597125768 is 8675217951.

It is a self number, because there is not a number n which added to its sum of digits gives 1597125768.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138430 + ... + 149522.

It is an arithmetic number, because the mean of its divisors is an integer number (71389890).

Almost surely, 2^1597125768 is an apocalyptic number.

It is an amenable number.

1597125768 is an abundant number, since it is smaller than the sum of its proper divisors (2971827192).

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

1597125768 is a wasteful number, since it uses less digits than its factorization.

1597125768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11966 (or 11962 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 51.

The square root of 1597125768 is about 39964.0559503162. The cubic root of 1597125768 is about 1168.9063167131.

The spelling of 1597125768 in words is "one billion, five hundred ninety-seven million, one hundred twenty-five thousand, seven hundred sixty-eight".