6653199168 has 448 divisors, whose sum is σ = 25187696640. Its totient is φ = 1671321600.

The previous prime is 6653199151. The next prime is 6653199173. The reversal of 6653199168 is 8619913566.

6653199168 is a `hidden beast` number, since 6 + 6 + 531 + 99 + 16 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4123930 + ... + 4125542.

Almost surely, 2^6653199168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6653199168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12593848320).

6653199168 is an abundant number, since it is smaller than the sum of its proper divisors (18534497472).

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

6653199168 is a wasteful number, since it uses less digits than its factorization.

6653199168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683 (or 1667 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 6653199168 is about 81567.1451504832. The cubic root of 6653199168 is about 1880.8038632615.

The spelling of 6653199168 in words is "six billion, six hundred fifty-three million, one hundred ninety-nine thousand, one hundred sixty-eight".