6651616105 has 8 divisors (see below), whose sum is σ = 7982841600. Its totient is φ = 5320691376.

The previous prime is 6651616093. The next prime is 6651616157. The reversal of 6651616105 is 5016161566.

6651616105 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6651616105 - 2⁵ = 6651616073 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23275 + ... + 117664.

It is an arithmetic number, because the mean of its divisors is an integer number (997855200).

Almost surely, 2^6651616105 is an apocalyptic number.

It is an amenable number.

6651616105 is a deficient number, since it is larger than the sum of its proper divisors (1331225495).

6651616105 is a wasteful number, since it uses less digits than its factorization.

6651616105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150383.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 6651616105 is about 81557.4405250680. The cubic root of 6651616105 is about 1880.6546785303.

It can be divided in two parts, 66516 and 16105, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 6651616105 in words is "six billion, six hundred fifty-one million, six hundred sixteen thousand, one hundred five".