4572833666 has 4 divisors (see below), whose sum is σ = 6859250502. Its totient is φ = 2286416832.

The previous prime is 4572833633. The next prime is 4572833677. The reversal of 4572833666 is 6663382754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4471730641 + 101103025 = 66871^2 + 10055^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143208415 + ... + 1143208418.

Almost surely, 2^4572833666 is an apocalyptic number.

4572833666 is a deficient number, since it is larger than the sum of its proper divisors (2286416836).

4572833666 is a wasteful number, since it uses less digits than its factorization.

4572833666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286416835.

The product of its digits is 4354560, while the sum is 50.

The square root of 4572833666 is about 67622.7303944465. The cubic root of 4572833666 is about 1659.8230887579.

The spelling of 4572833666 in words is "four billion, five hundred seventy-two million, eight hundred thirty-three thousand, six hundred sixty-six".