3318161 has 8 divisors (see below), whose sum is σ = 4137024. Its totient is φ = 2585520.

The previous prime is 3318157. The next prime is 3318167. The reversal of 3318161 is 1618133.

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

It is not a de Polignac number, because 3318161 - 2² = 3318157 is a prime.

It is a super-2 number, since 2×3318161² = 22020384843842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318167) 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, 21470 + ... + 21623.

It is an arithmetic number, because the mean of its divisors is an integer number (517128).

Almost surely, 2^3318161 is an apocalyptic number.

It is an amenable number.

3318161 is a deficient number, since it is larger than the sum of its proper divisors (818863).

3318161 is a wasteful number, since it uses less digits than its factorization.

3318161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43111.

The product of its digits is 432, while the sum is 23.

The square root of 3318161 is about 1821.5820047420. The cubic root of 3318161 is about 149.1531689183.

The spelling of 3318161 in words is "three million, three hundred eighteen thousand, one hundred sixty-one".