4555666 has 4 divisors (see below), whose sum is σ = 6833502. Its totient is φ = 2277832.

The previous prime is 4555637. The next prime is 4555673. The reversal of 4555666 is 6665554.

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., 3783025 + 772641 = 1945^2 + 879^2 .

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138915 + ... + 1138918.

Almost surely, 2^4555666 is an apocalyptic number.

4555666 is a deficient number, since it is larger than the sum of its proper divisors (2277836).

4555666 is a wasteful number, since it uses less digits than its factorization.

4555666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277835.

The product of its digits is 108000, while the sum is 37.

The square root of 4555666 is about 2134.4006184407. The cubic root of 4555666 is about 165.7743340929.

The spelling of 4555666 in words is "four million, five hundred fifty-five thousand, six hundred sixty-six".