6624733661572 has 48 divisors (see below), whose sum is σ = 12510943220160. Its totient is φ = 3051236193408.

The previous prime is 6624733661561. The next prime is 6624733661593. The reversal of 6624733661572 is 2751663374266.

It is a happy number.

It is a super-2 number, since 2×6624733661572² (a number of 26 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 213554679 + ... + 213585697.

It is an arithmetic number, because the mean of its divisors is an integer number (260644650420).

Almost surely, 2^{6624733661572} is an apocalyptic number.

It is an amenable number.

6624733661572 is a deficient number, since it is larger than the sum of its proper divisors (5886209558588).

6624733661572 is a wasteful number, since it uses less digits than its factorization.

6624733661572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39412 (or 39410 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 58.

The spelling of 6624733661572 in words is "six trillion, six hundred twenty-four billion, seven hundred thirty-three million, six hundred sixty-one thousand, five hundred seventy-two".