6662442624520 has 32 divisors (see below), whose sum is σ = 15033448647000. Its totient is φ = 2657341006848.

The previous prime is 6662442624499. The next prime is 6662442624529. The reversal of 6662442624520 is 254262442666.

It can be written as a sum of positive squares in 4 ways, for example, as 6424917006564 + 237525617956 = 2534742^2 + 487366^2 .

It is not an unprimeable number, because it can be changed into a prime (6662442624529) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 238612209 + ... + 238640128.

Almost surely, 2^{6662442624520} is an apocalyptic number.

It is an amenable number.

6662442624520 is an abundant number, since it is smaller than the sum of its proper divisors (8371006022480).

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

6662442624520 is a wasteful number, since it uses less digits than its factorization.

6662442624520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477252697 (or 477252693 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 49.

The spelling of 6662442624520 in words is "six trillion, six hundred sixty-two billion, four hundred forty-two million, six hundred twenty-four thousand, five hundred twenty".