1596491872 has 24 divisors (see below), whose sum is σ = 3308520600. Its totient is φ = 756232704.

The previous prime is 1596491851. The next prime is 1596491881. The reversal of 1596491872 is 2781946951.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312297 + ... + 1313512.

It is an arithmetic number, because the mean of its divisors is an integer number (137855025).

Almost surely, 2^1596491872 is an apocalyptic number.

It is an amenable number.

1596491872 is an abundant number, since it is smaller than the sum of its proper divisors (1712028728).

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

1596491872 is a wasteful number, since it uses less digits than its factorization.

1596491872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625838 (or 2625830 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 1596491872 is about 39956.1243365770. The cubic root of 1596491872 is about 1168.7516507283.

The spelling of 1596491872 in words is "one billion, five hundred ninety-six million, four hundred ninety-one thousand, eight hundred seventy-two".