3643436161 has 8 divisors (see below), whose sum is σ = 3673676160. Its totient is φ = 3613296768.

The previous prime is 3643436131. The next prime is 3643436171. The reversal of 3643436161 is 1616343463.

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 3643436161 - 2⁵ = 3643436129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3643436161.

It is not an unprimeable number, because it can be changed into a prime (3643436101) 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, 48465 + ... + 98161.

It is an arithmetic number, because the mean of its divisors is an integer number (459209520).

Almost surely, 2^3643436161 is an apocalyptic number.

It is an amenable number.

3643436161 is a deficient number, since it is larger than the sum of its proper divisors (30239999).

3643436161 is a wasteful number, since it uses less digits than its factorization.

3643436161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50303.

The product of its digits is 93312, while the sum is 37.

The square root of 3643436161 is about 60360.8827056066. The cubic root of 3643436161 is about 1538.7582277622.

The spelling of 3643436161 in words is "three billion, six hundred forty-three million, four hundred thirty-six thousand, one hundred sixty-one".