3668161 has 8 divisors (see below), whose sum is σ = 4210560. Its totient is φ = 3130368.

The previous prime is 3668129. The next prime is 3668179. The reversal of 3668161 is 1618663.

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 3668161 - 2⁵ = 3668129 is a prime.

It is an Ulam number.

It is a Duffinian number.

3668161 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780 + ... + 2818.

It is an arithmetic number, because the mean of its divisors is an integer number (526320).

Almost surely, 2^3668161 is an apocalyptic number.

It is an amenable number.

3668161 is a deficient number, since it is larger than the sum of its proper divisors (542399).

3668161 is a wasteful number, since it uses less digits than its factorization.

3668161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303.

The product of its digits is 5184, while the sum is 31.

The square root of 3668161 is about 1915.2443708310. The cubic root of 3668161 is about 154.2231122584.

The spelling of 3668161 in words is "three million, six hundred sixty-eight thousand, one hundred sixty-one".