4164645 has 8 divisors (see below), whose sum is σ = 6663456. Its totient is φ = 2221136.

The previous prime is 4164637. The next prime is 4164673. The reversal of 4164645 is 5464614.

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 4164645 - 2³ = 4164637 is a prime.

4164645 is a lucky 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, 138807 + ... + 138836.

It is an arithmetic number, because the mean of its divisors is an integer number (832932).

Almost surely, 2^4164645 is an apocalyptic number.

It is an amenable number.

4164645 is a deficient number, since it is larger than the sum of its proper divisors (2498811).

4164645 is a wasteful number, since it uses less digits than its factorization.

4164645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277651.

The product of its digits is 11520, while the sum is 30.

The square root of 4164645 is about 2040.7461870600. The cubic root of 4164645 is about 160.8888679212. Note that the first 4 decimals are identical.

The spelling of 4164645 in words is "four million, one hundred sixty-four thousand, six hundred forty-five".