6660352044 has 36 divisors (see below), whose sum is σ = 17227426216. Its totient is φ = 2168486208.

The previous prime is 6660352033. The next prime is 6660352063. The reversal of 6660352044 is 4402530666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2149729 + ... + 2152824.

Almost surely, 2^6660352044 is an apocalyptic number.

It is an amenable number.

6660352044 is an abundant number, since it is smaller than the sum of its proper divisors (10567074172).

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

6660352044 is a wasteful number, since it uses less digits than its factorization.

6660352044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302606 (or 4302601 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 6660352044 is about 81610.9799230471. The cubic root of 6660352044 is about 1881.4776413029.

The spelling of 6660352044 in words is "six billion, six hundred sixty million, three hundred fifty-two thousand, forty-four".