6616551360 has 56 divisors (see below), whose sum is σ = 21007553616. Its totient is φ = 1764413440.

The previous prime is 6616551329. The next prime is 6616551377. The reversal of 6616551360 is 631556166.

It is a super-3 number, since 3×6616551360³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3445161 + ... + 3447080.

It is an arithmetic number, because the mean of its divisors is an integer number (375134886).

Almost surely, 2^6616551360 is an apocalyptic number.

6616551360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6616551360 is an abundant number, since it is smaller than the sum of its proper divisors (14391002256).

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

6616551360 is a wasteful number, since it uses less digits than its factorization.

6616551360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892261 (or 6892251 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 6616551360 is about 81342.1868405319. The cubic root of 6616551360 is about 1877.3441599772.

The spelling of 6616551360 in words is "six billion, six hundred sixteen million, five hundred fifty-one thousand, three hundred sixty".