3631607161 has 16 divisors (see below), whose sum is σ = 4704918400. Its totient is φ = 2722128768.

The previous prime is 3631607143. The next prime is 3631607171. The reversal of 3631607161 is 1617061363.

It is a cyclic number.

It is not a de Polignac number, because 3631607161 - 2⁷ = 3631607033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3631607101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048476 + ... + 1051933.

It is an arithmetic number, because the mean of its divisors is an integer number (294057400).

Almost surely, 2^3631607161 is an apocalyptic number.

It is an amenable number.

3631607161 is a deficient number, since it is larger than the sum of its proper divisors (1073311239).

3631607161 is a wasteful number, since it uses less digits than its factorization.

3631607161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100448.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 3631607161 is about 60262.8174001183. The cubic root of 3631607161 is about 1537.0911471623.

The spelling of 3631607161 in words is "three billion, six hundred thirty-one million, six hundred seven thousand, one hundred sixty-one".