6632521806 has 16 divisors (see below), whose sum is σ = 13281093504. Its totient is φ = 2208165624.

The previous prime is 6632521801. The next prime is 6632521807. The reversal of 6632521806 is 6081252366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6632521801) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 663370 + ... + 673293.

It is an arithmetic number, because the mean of its divisors is an integer number (830068344).

Almost surely, 2^6632521806 is an apocalyptic number.

6632521806 is an abundant number, since it is smaller than the sum of its proper divisors (6648571698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6632521806 is a wasteful number, since it uses less digits than its factorization.

6632521806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337495.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 6632521806 is about 81440.2959596783. The cubic root of 6632521806 is about 1878.8534020554.

The spelling of 6632521806 in words is "six billion, six hundred thirty-two million, five hundred twenty-one thousand, eight hundred six".