6618805073452 has 48 divisors (see below), whose sum is σ = 13642875136800. Its totient is φ = 2769981788160.

The previous prime is 6618805073443. The next prime is 6618805073471. The reversal of 6618805073452 is 2543705088166.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6618805073393 and 6618805073402.

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 in 15 ways as a sum of consecutive naturals, for example, 14650677 + ... + 15095692.

It is an arithmetic number, because the mean of its divisors is an integer number (284226565350).

Almost surely, 2^{6618805073452} is an apocalyptic number.

It is an amenable number.

6618805073452 is an abundant number, since it is smaller than the sum of its proper divisors (7024070063348).

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

6618805073452 is a wasteful number, since it uses less digits than its factorization.

6618805073452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29746786 (or 29746784 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 6618805073452 in words is "six trillion, six hundred eighteen billion, eight hundred five million, seventy-three thousand, four hundred fifty-two".