3603122161 has 4 divisors (see below), whose sum is σ = 3671105652. Its totient is φ = 3535138672.

The previous prime is 3603122143. The next prime is 3603122167. The reversal of 3603122161 is 1612213063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 925680625 + 2677441536 = 30425^2 + 51744^2 .

It is a cyclic number.

It is not a de Polignac number, because 3603122161 - 2²⁹ = 3066251249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3603122167) 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, 33991666 + ... + 33991771.

It is an arithmetic number, because the mean of its divisors is an integer number (917776413).

Almost surely, 2^3603122161 is an apocalyptic number.

It is an amenable number.

3603122161 is a deficient number, since it is larger than the sum of its proper divisors (67983491).

3603122161 is an equidigital number, since it uses as much as digits as its factorization.

3603122161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67983490.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3603122161 is about 60026.0123696385. The cubic root of 3603122161 is about 1533.0617999907.

The spelling of 3603122161 in words is "three billion, six hundred three million, one hundred twenty-two thousand, one hundred sixty-one".