6660553633453 has 8 divisors (see below), whose sum is σ = 6950408148288. Its totient is φ = 6370721220864.

The previous prime is 6660553633411. The next prime is 6660553633457. The reversal of 6660553633453 is 3543363550666.

6660553633453 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6660553633453 - 2²⁵ = 6660520079021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6660553633394 and 6660553633403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660553633457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4908276 + ... + 6116557.

It is an arithmetic number, because the mean of its divisors is an integer number (868801018536).

Almost surely, 2^{6660553633453} is an apocalyptic number.

It is an amenable number.

6660553633453 is a deficient number, since it is larger than the sum of its proper divisors (289854514835).

6660553633453 is a wasteful number, since it uses less digits than its factorization.

6660553633453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051123.

The product of its (nonzero) digits is 52488000, while the sum is 55.

The spelling of 6660553633453 in words is "six trillion, six hundred sixty billion, five hundred fifty-three million, six hundred thirty-three thousand, four hundred fifty-three".