4168149 has 4 divisors (see below), whose sum is σ = 5557536. Its totient is φ = 2778764.

The previous prime is 4168133. The next prime is 4168159. The reversal of 4168149 is 9418614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4168149 - 2⁴ = 4168133 is a prime.

It is a D-number.

It is a Curzon number.

4168149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4168159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694689 + ... + 694694.

It is an arithmetic number, because the mean of its divisors is an integer number (1389384).

Almost surely, 2^4168149 is an apocalyptic number.

It is an amenable number.

4168149 is a deficient number, since it is larger than the sum of its proper divisors (1389387).

4168149 is a wasteful number, since it uses less digits than its factorization.

4168149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389386.

The product of its digits is 6912, while the sum is 33.

The square root of 4168149 is about 2041.6045160608. The cubic root of 4168149 is about 160.9339775331.

The spelling of 4168149 in words is "four million, one hundred sixty-eight thousand, one hundred forty-nine".