4206161 has 4 divisors (see below), whose sum is σ = 4224000. Its totient is φ = 4188324.

The previous prime is 4206151. The next prime is 4206179. The reversal of 4206161 is 1616024.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-4206161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4206101) 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, 8561 + ... + 9038.

It is an arithmetic number, because the mean of its divisors is an integer number (1056000).

Almost surely, 2^4206161 is an apocalyptic number.

It is an amenable number.

4206161 is a deficient number, since it is larger than the sum of its proper divisors (17839).

4206161 is a wasteful number, since it uses less digits than its factorization.

4206161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17838.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4206161 is about 2050.8927324460. The cubic root of 4206161 is about 161.4217175972.

The spelling of 4206161 in words is "four million, two hundred six thousand, one hundred sixty-one".