6631344516 has 12 divisors (see below), whose sum is σ = 15473137232. Its totient is φ = 2210448168.

The previous prime is 6631344493. The next prime is 6631344557. The reversal of 6631344516 is 6154431366.

It is a tau number, because it is divible by the number of its divisors (12).

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, 276306010 + ... + 276306033.

Almost surely, 2^6631344516 is an apocalyptic number.

It is an amenable number.

6631344516 is an abundant number, since it is smaller than the sum of its proper divisors (8841792716).

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

6631344516 is a wasteful number, since it uses less digits than its factorization.

6631344516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552612050 (or 552612048 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 6631344516 is about 81433.0677059387. The cubic root of 6631344516 is about 1878.7422283432.

The spelling of 6631344516 in words is "six billion, six hundred thirty-one million, three hundred forty-four thousand, five hundred sixteen".