1660043104 has 24 divisors (see below), whose sum is σ = 3329877600. Its totient is φ = 814359936.

The previous prime is 1660043083. The next prime is 1660043123. The reversal of 1660043104 is 4013400661.

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, 487704 + ... + 491095.

It is an arithmetic number, because the mean of its divisors is an integer number (138744900).

Almost surely, 2^1660043104 is an apocalyptic number.

It is an amenable number.

1660043104 is an abundant number, since it is smaller than the sum of its proper divisors (1669834496).

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

1660043104 is an equidigital number, since it uses as much as digits as its factorization.

1660043104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978862 (or 978854 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1660043104 is about 40743.6265445284. The cubic root of 1660043104 is about 1184.0583958902.

Adding to 1660043104 its reverse (4013400661), we get a palindrome (5673443765).

The spelling of 1660043104 in words is "one billion, six hundred sixty million, forty-three thousand, one hundred four".