6654428168 has 8 divisors (see below), whose sum is σ = 12477052830. Its totient is φ = 3327214080.

The previous prime is 6654428153. The next prime is 6654428177. The reversal of 6654428168 is 8618244566.

It can be written as a sum of positive squares in only one way, i.e., 3405656164 + 3248772004 = 58358^2 + 56998^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415901753 + ... + 415901768.

Almost surely, 2^6654428168 is an apocalyptic number.

It is an amenable number.

6654428168 is a deficient number, since it is larger than the sum of its proper divisors (5822624662).

6654428168 is a wasteful number, since it uses less digits than its factorization.

6654428168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831803527 (or 831803523 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 6654428168 is about 81574.6784731635. The cubic root of 6654428168 is about 1880.9196654781.

The spelling of 6654428168 in words is "six billion, six hundred fifty-four million, four hundred twenty-eight thousand, one hundred sixty-eight".