6615532744472 has 8 divisors (see below), whose sum is σ = 12404123895900. Its totient is φ = 3307766372232.

The previous prime is 6615532744349. The next prime is 6615532744519. The reversal of 6615532744472 is 2744472355166.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413470796522 + ... + 413470796537.

Almost surely, 2^{6615532744472} is an apocalyptic number.

It is an amenable number.

6615532744472 is a deficient number, since it is larger than the sum of its proper divisors (5788591151428).

6615532744472 is a wasteful number, since it uses less digits than its factorization.

6615532744472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826941593065 (or 826941593061 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 56.

The spelling of 6615532744472 in words is "six trillion, six hundred fifteen billion, five hundred thirty-two million, seven hundred forty-four thousand, four hundred seventy-two".