6631336044 has 36 divisors (see below), whose sum is σ = 17078823216. Its totient is φ = 2168738208.

The previous prime is 6631336007. The next prime is 6631336051. The reversal of 6631336044 is 4406331366.

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1735864 + ... + 1739679.

It is an arithmetic number, because the mean of its divisors is an integer number (474411756).

Almost surely, 2^6631336044 is an apocalyptic number.

It is an amenable number.

6631336044 is an abundant number, since it is smaller than the sum of its proper divisors (10447487172).

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

6631336044 is a wasteful number, since it uses less digits than its factorization.

6631336044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475606 (or 3475601 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The square root of 6631336044 is about 81433.0156877418. The cubic root of 6631336044 is about 1878.7414282686.

The spelling of 6631336044 in words is "six billion, six hundred thirty-one million, three hundred thirty-six thousand, forty-four".