4066655 has 8 divisors (see below), whose sum is σ = 5167152. Its totient is φ = 3061888.

The previous prime is 4066619. The next prime is 4066661. The reversal of 4066655 is 5566604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4066655 - 2⁶ = 4066591 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23837 + ... + 24006.

It is an arithmetic number, because the mean of its divisors is an integer number (645894).

Almost surely, 2^4066655 is an apocalyptic number.

4066655 is a deficient number, since it is larger than the sum of its proper divisors (1100497).

4066655 is a wasteful number, since it uses less digits than its factorization.

4066655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47865.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 4066655 is about 2016.5949023044. The cubic root of 4066655 is about 159.6169875114.

The spelling of 4066655 in words is "four million, sixty-six thousand, six hundred fifty-five".