6512168072 has 16 divisors (see below), whose sum is σ = 12852963600. Its totient is φ = 3084711120.

The previous prime is 6512168059. The next prime is 6512168081. The reversal of 6512168072 is 2708612156.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 3 ways as a sum of consecutive naturals, for example, 21421454 + ... + 21421757.

It is an arithmetic number, because the mean of its divisors is an integer number (803310225).

Almost surely, 2^6512168072 is an apocalyptic number.

It is an amenable number.

6512168072 is a deficient number, since it is larger than the sum of its proper divisors (6340795528).

6512168072 is a wasteful number, since it uses less digits than its factorization.

6512168072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42843236 (or 42843232 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 6512168072 is about 80698.0053780761. The cubic root of 6512168072 is about 1867.4194028514.

The spelling of 6512168072 in words is "six billion, five hundred twelve million, one hundred sixty-eight thousand, seventy-two".