1597643160 has 32 divisors (see below), whose sum is σ = 4792929840. Its totient is φ = 426038144.

The previous prime is 1597643081. The next prime is 1597643161. The reversal of 1597643160 is 613467951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1597643161) 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, 6656727 + ... + 6656966.

Almost surely, 2^1597643160 is an apocalyptic number.

1597643160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1597643160 is an abundant number, since it is smaller than the sum of its proper divisors (3195286680).

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

1597643160 is a wasteful number, since it uses less digits than its factorization.

1597643160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13313707 (or 13313703 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1597643160 is about 39970.5286429889. The cubic root of 1597643160 is about 1169.0325262440.

The spelling of 1597643160 in words is "one billion, five hundred ninety-seven million, six hundred forty-three thousand, one hundred sixty".