6550555016 has 8 divisors (see below), whose sum is σ = 12282290670. Its totient is φ = 3275277504.

The previous prime is 6550554977. The next prime is 6550555019. The reversal of 6550555016 is 6105550556.

It can be written as a sum of positive squares in only one way, i.e., 4166186116 + 2384368900 = 64546^2 + 48830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6550555019) 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 as a sum of consecutive naturals, namely, 409409681 + ... + 409409696.

Almost surely, 2^6550555016 is an apocalyptic number.

It is an amenable number.

6550555016 is a deficient number, since it is larger than the sum of its proper divisors (5731735654).

6550555016 is a wasteful number, since it uses less digits than its factorization.

6550555016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818819383 (or 818819379 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 6550555016 is about 80935.4991088583. The cubic root of 6550555016 is about 1871.0814772435.

The spelling of 6550555016 in words is "six billion, five hundred fifty million, five hundred fifty-five thousand, sixteen".