6651016172 has 12 divisors (see below), whose sum is σ = 11830086576. Its totient is φ = 3270991440.

The previous prime is 6651016171. The next prime is 6651016297. The reversal of 6651016172 is 2716101566.

It is a super-2 number, since 2×6651016172² = 88472032240411067168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6651016171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13628888 + ... + 13629375.

It is an arithmetic number, because the mean of its divisors is an integer number (985840548).

Almost surely, 2^6651016172 is an apocalyptic number.

It is an amenable number.

6651016172 is a deficient number, since it is larger than the sum of its proper divisors (5179070404).

6651016172 is a wasteful number, since it uses less digits than its factorization.

6651016172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27258328 (or 27258326 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 6651016172 is about 81553.7624637883. The cubic root of 6651016172 is about 1880.5981358442.

The spelling of 6651016172 in words is "six billion, six hundred fifty-one million, sixteen thousand, one hundred seventy-two".