1659596044 has 12 divisors (see below), whose sum is σ = 2933049168. Its totient is φ = 821582000.

The previous prime is 1659596023. The next prime is 1659596047. The reversal of 1659596044 is 4406959561.

It is not an unprimeable number, because it can be changed into a prime (1659596047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053552 + ... + 2054359.

It is an arithmetic number, because the mean of its divisors is an integer number (244420764).

Almost surely, 2^1659596044 is an apocalyptic number.

It is an amenable number.

1659596044 is a deficient number, since it is larger than the sum of its proper divisors (1273453124).

1659596044 is a wasteful number, since it uses less digits than its factorization.

1659596044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108016 (or 4108014 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 1659596044 is about 40738.1399182633. The cubic root of 1659596044 is about 1183.9520949010.

The spelling of 1659596044 in words is "one billion, six hundred fifty-nine million, five hundred ninety-six thousand, forty-four".