1660044424 has 16 divisors (see below), whose sum is σ = 3295676700. Its totient is φ = 781197312.

The previous prime is 1660044403. The next prime is 1660044437. The reversal of 1660044424 is 4244400661.

It can be written as a sum of positive squares in 2 ways, for example, as 1638792324 + 21252100 = 40482^2 + 4610^2 .

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, 6102969 + ... + 6103240.

Almost surely, 2^1660044424 is an apocalyptic number.

It is an amenable number.

1660044424 is a deficient number, since it is larger than the sum of its proper divisors (1635632276).

1660044424 is a wasteful number, since it uses less digits than its factorization.

1660044424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12206232 (or 12206228 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 1660044424 is about 40743.6427433778. The cubic root of 1660044424 is about 1184.0587097288.

The spelling of 1660044424 in words is "one billion, six hundred sixty million, forty-four thousand, four hundred twenty-four".