6506651332 has 72 divisors (see below), whose sum is σ = 12668296536. Its totient is φ = 2913782784.

The previous prime is 6506651311. The next prime is 6506651351. The reversal of 6506651332 is 2331566056.

It can be written as a sum of positive squares in 4 ways, for example, as 312016896 + 6194634436 = 17664^2 + 78706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6506651291 and 6506651300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9963918 + ... + 9964570.

It is an arithmetic number, because the mean of its divisors is an integer number (175948563).

Almost surely, 2^6506651332 is an apocalyptic number.

It is an amenable number.

6506651332 is a deficient number, since it is larger than the sum of its proper divisors (6161645204).

6506651332 is a wasteful number, since it uses less digits than its factorization.

6506651332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 6506651332 is about 80663.8167458000. The cubic root of 6506651332 is about 1866.8919298869.

The spelling of 6506651332 in words is "six billion, five hundred six million, six hundred fifty-one thousand, three hundred thirty-two".