4166645 has 8 divisors (see below), whose sum is σ = 5714304. Its totient is φ = 2857104.

The previous prime is 4166641. The next prime is 4166647. The reversal of 4166645 is 5466614.

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 4166645 - 2² = 4166641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59489 + ... + 59558.

It is an arithmetic number, because the mean of its divisors is an integer number (714288).

Almost surely, 2^4166645 is an apocalyptic number.

It is an amenable number.

4166645 is a deficient number, since it is larger than the sum of its proper divisors (1547659).

4166645 is a wasteful number, since it uses less digits than its factorization.

4166645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119059.

The product of its digits is 17280, while the sum is 32.

The square root of 4166645 is about 2041.2361450846. The cubic root of 4166645 is about 160.9146185146.

The spelling of 4166645 in words is "four million, one hundred sixty-six thousand, six hundred forty-five".