6614144664 has 32 divisors (see below), whose sum is σ = 16541928000. Its totient is φ = 2203839392.

The previous prime is 6614144629. The next prime is 6614144683. The reversal of 6614144664 is 4664414166.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8467 + ... + 115325.

It is an arithmetic number, because the mean of its divisors is an integer number (516935250).

Almost surely, 2^6614144664 is an apocalyptic number.

It is an amenable number.

6614144664 is an abundant number, since it is smaller than the sum of its proper divisors (9927783336).

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

6614144664 is a wasteful number, since it uses less digits than its factorization.

6614144664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109447 (or 109443 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 6614144664 is about 81327.3918430931. The cubic root of 6614144664 is about 1877.1165114456.

The spelling of 6614144664 in words is "six billion, six hundred fourteen million, one hundred forty-four thousand, six hundred sixty-four".