6657298168 has 8 divisors (see below), whose sum is σ = 12482434080. Its totient is φ = 3328649080.

The previous prime is 6657298157. The next prime is 6657298169. The reversal of 6657298168 is 8618927566.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6657298169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416081128 + ... + 416081143.

It is an arithmetic number, because the mean of its divisors is an integer number (1560304260).

Almost surely, 2^6657298168 is an apocalyptic number.

It is an amenable number.

6657298168 is a deficient number, since it is larger than the sum of its proper divisors (5825135912).

6657298168 is a wasteful number, since it uses less digits than its factorization.

6657298168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832162277 (or 832162273 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 58.

The square root of 6657298168 is about 81592.2678199350. The cubic root of 6657298168 is about 1881.1900349933.

The spelling of 6657298168 in words is "six billion, six hundred fifty-seven million, two hundred ninety-eight thousand, one hundred sixty-eight".