6651055016 has 8 divisors (see below), whose sum is σ = 12470728170. Its totient is φ = 3325527504.

The previous prime is 6651055007. The next prime is 6651055031. The reversal of 6651055016 is 6105501566.

It can be written as a sum of positive squares in only one way, i.e., 6651054916 + 100 = 81554^2 + 10^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415690931 + ... + 415690946.

Almost surely, 2^6651055016 is an apocalyptic number.

It is an amenable number.

6651055016 is a deficient number, since it is larger than the sum of its proper divisors (5819673154).

6651055016 is a wasteful number, since it uses less digits than its factorization.

6651055016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831381883 (or 831381879 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 6651055016 is about 81554.0006130907. Note that the first 3 decimals coincide. The cubic root of 6651055016 is about 1880.6017969294.

The spelling of 6651055016 in words is "six billion, six hundred fifty-one million, fifty-five thousand, sixteen".