6668885253 has 8 divisors (see below), whose sum is σ = 8950734016. Its totient is φ = 4416480000.

The previous prime is 6668885233. The next prime is 6668885263. The reversal of 6668885253 is 3525888666.

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

It is not a de Polignac number, because 6668885253 - 2²¹ = 6666788101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6668885193 and 6668885202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668885203) 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, 7360348 + ... + 7361253.

It is an arithmetic number, because the mean of its divisors is an integer number (1118841752).

Almost surely, 2^6668885253 is an apocalyptic number.

It is an amenable number.

6668885253 is a deficient number, since it is larger than the sum of its proper divisors (2281848763).

6668885253 is a wasteful number, since it uses less digits than its factorization.

6668885253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14721755.

The product of its digits is 16588800, while the sum is 57.

The square root of 6668885253 is about 81663.2429738129. The cubic root of 6668885253 is about 1882.2808115741.

The spelling of 6668885253 in words is "six billion, six hundred sixty-eight million, eight hundred eighty-five thousand, two hundred fifty-three".