6616654404 has 24 divisors (see below), whose sum is σ = 15598026528. Its totient is φ = 2182813440.

The previous prime is 6616654399. The next prime is 6616654427. The reversal of 6616654404 is 4044566166.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841042 + ... + 2843369.

It is an arithmetic number, because the mean of its divisors is an integer number (649917772).

Almost surely, 2^6616654404 is an apocalyptic number.

It is an amenable number.

6616654404 is an abundant number, since it is smaller than the sum of its proper divisors (8981372124).

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

6616654404 is a wasteful number, since it uses less digits than its factorization.

6616654404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684515 (or 5684513 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 6616654404 is about 81342.8202363306. The cubic root of 6616654404 is about 1877.3539056406.

The spelling of 6616654404 in words is "six billion, six hundred sixteen million, six hundred fifty-four thousand, four hundred four".