3616161 has 4 divisors (see below), whose sum is σ = 4821552. Its totient is φ = 2410772.

The previous prime is 3616147. The next prime is 3616183. The reversal of 3616161 is 1616163.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1616163 = 3 ⋅538721.

It is a cyclic number.

It is not a de Polignac number, because 3616161 - 2⁷ = 3616033 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3616111) 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, 602691 + ... + 602696.

It is an arithmetic number, because the mean of its divisors is an integer number (1205388).

Almost surely, 2^3616161 is an apocalyptic number.

It is an amenable number.

3616161 is a deficient number, since it is larger than the sum of its proper divisors (1205391).

3616161 is a wasteful number, since it uses less digits than its factorization.

3616161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205390.

The product of its digits is 648, while the sum is 24.

The square root of 3616161 is about 1901.6206246252. The cubic root of 3616161 is about 153.4908835352.

The spelling of 3616161 in words is "three million, six hundred sixteen thousand, one hundred sixty-one".