6557384016 has 60 divisors (see below), whose sum is σ = 18370092468. Its totient is φ = 2183588352.

The previous prime is 6557383993. The next prime is 6557384033. The reversal of 6557384016 is 6104837556.

6557384016 is a `hidden beast` number, since 6 + 557 + 3 + 84 + 0 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3331598400 + 3225785616 = 57720^2 + 56796^2 .

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 11 ways as a sum of consecutive naturals, for example, 123396 + ... + 168348.

Almost surely, 2^6557384016 is an apocalyptic number.

It is an amenable number.

6557384016 is an abundant number, since it is smaller than the sum of its proper divisors (11812708452).

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

6557384016 is a wasteful number, since it uses less digits than its factorization.

6557384016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45980 (or 45971 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 6557384016 is about 80977.6760348184. The cubic root of 6557384016 is about 1871.7314566572.

The spelling of 6557384016 in words is "six billion, five hundred fifty-seven million, three hundred eighty-four thousand, sixteen".