3136561161 has 8 divisors (see below), whose sum is σ = 4223488704. Its totient is φ = 2070337200.

The previous prime is 3136561139. The next prime is 3136561163. The reversal of 3136561161 is 1611656313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3136561161 - 2⁹ = 3136560649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3136561163) 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, 5175541 + ... + 5176146.

It is an arithmetic number, because the mean of its divisors is an integer number (527936088).

Almost surely, 2^3136561161 is an apocalyptic number.

It is an amenable number.

3136561161 is a deficient number, since it is larger than the sum of its proper divisors (1086927543).

3136561161 is a wasteful number, since it uses less digits than its factorization.

3136561161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10351791.

The product of its digits is 9720, while the sum is 33.

The square root of 3136561161 is about 56005.0101419507. The cubic root of 3136561161 is about 1463.8095857601.

The spelling of 3136561161 in words is "three billion, one hundred thirty-six million, five hundred sixty-one thousand, one hundred sixty-one".