654948668 has 12 divisors (see below), whose sum is σ = 1250356632. Its totient is φ = 297703920.

The previous prime is 654948653. The next prime is 654948691. The reversal of 654948668 is 866849456.

654948668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7442555 + ... + 7442642.

It is an arithmetic number, because the mean of its divisors is an integer number (104196386).

Almost surely, 2^654948668 is an apocalyptic number.

It is an amenable number.

654948668 is a deficient number, since it is larger than the sum of its proper divisors (595407964).

654948668 is a wasteful number, since it uses less digits than its factorization.

654948668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14885212 (or 14885210 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 56.

The square root of 654948668 is about 25591.9649108856. The cubic root of 654948668 is about 868.4318729058.

The spelling of 654948668 in words is "six hundred fifty-four million, nine hundred forty-eight thousand, six hundred sixty-eight".