1597408864 has 12 divisors (see below), whose sum is σ = 3144898764. Its totient is φ = 798704416.

The previous prime is 1597408853. The next prime is 1597408871. The reversal of 1597408864 is 4688047951.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24959482 + ... + 24959545.

It is an arithmetic number, because the mean of its divisors is an integer number (262074897).

Almost surely, 2^1597408864 is an apocalyptic number.

It is an amenable number.

1597408864 is a deficient number, since it is larger than the sum of its proper divisors (1547489900).

1597408864 is an equidigital number, since it uses as much as digits as its factorization.

1597408864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49919037 (or 49919029 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 1597408864 is about 39967.5976761176. The cubic root of 1597408864 is about 1168.9753768459.

The spelling of 1597408864 in words is "one billion, five hundred ninety-seven million, four hundred eight thousand, eight hundred sixty-four".