6641552384 has 44 divisors (see below), whose sum is σ = 14057633304. Its totient is φ = 3125428224.

The previous prime is 6641552383. The next prime is 6641552387. The reversal of 6641552384 is 4832551466.

It is a super-2 number, since 2×6641552384² = 88220436138832166912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6641552383) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 173354 + ... + 208169.

It is an arithmetic number, because the mean of its divisors is an integer number (319491666).

Almost surely, 2^6641552384 is an apocalyptic number.

6641552384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6641552384 is an abundant number, since it is smaller than the sum of its proper divisors (7416080920).

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

6641552384 is a wasteful number, since it uses less digits than its factorization.

6641552384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381560 (or 381542 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 6641552384 is about 81495.7200348583. The cubic root of 6641552384 is about 1879.7057393675.

The spelling of 6641552384 in words is "six billion, six hundred forty-one million, five hundred fifty-two thousand, three hundred eighty-four".