3163221012161 has 16 divisors (see below), whose sum is σ = 3659983824000. Its totient is φ = 2677878862848.

The previous prime is 3163221012143. The next prime is 3163221012191. The reversal of 3163221012161 is 1612101223613.

3163221012161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3163221012161 - 2³⁴ = 3146041142977 is a prime.

It is a super-2 number, since 2×3163221012161² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3163221012121) 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, 8234486 + ... + 8610063.

It is an arithmetic number, because the mean of its divisors is an integer number (228748989000).

Almost surely, 2^{3163221012161} is an apocalyptic number.

It is an amenable number.

3163221012161 is a deficient number, since it is larger than the sum of its proper divisors (496762811839).

3163221012161 is a wasteful number, since it uses less digits than its factorization.

3163221012161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16844888.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 3163221012161 its reverse (1612101223613), we get a palindrome (4775322235774).

The spelling of 3163221012161 in words is "three trillion, one hundred sixty-three billion, two hundred twenty-one million, twelve thousand, one hundred sixty-one".