654664268 has 12 divisors (see below), whose sum is σ = 1167279120. Its totient is φ = 321155952.

The previous prime is 654664267. The next prime is 654664277. The reversal of 654664268 is 862466456.

It is not an unprimeable number, because it can be changed into a prime (654664267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543808 + ... + 1544231.

It is an arithmetic number, because the mean of its divisors is an integer number (97273260).

Almost surely, 2^654664268 is an apocalyptic number.

It is an amenable number.

654664268 is a deficient number, since it is larger than the sum of its proper divisors (512614852).

654664268 is a wasteful number, since it uses less digits than its factorization.

654664268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088096 (or 3088094 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The square root of 654664268 is about 25586.4078760579. The cubic root of 654664268 is about 868.3061542581.

The spelling of 654664268 in words is "six hundred fifty-four million, six hundred sixty-four thousand, two hundred sixty-eight".