3923607161 has 2 divisors, whose sum is σ = 3923607162. Its totient is φ = 3923607160.

The previous prime is 3923607137. The next prime is 3923607199. The reversal of 3923607161 is 1617063293.

It is a happy number.

3923607161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (3923607199) can be obtained adding 3923607161 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2151197161 + 1772410000 = 46381^2 + 42100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3923607161 is a prime.

It is not a weakly prime, because it can be changed into another prime (3923607661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961803580 + 1961803581.

It is an arithmetic number, because the mean of its divisors is an integer number (1961803581).

Almost surely, 2^3923607161 is an apocalyptic number.

It is an amenable number.

3923607161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3923607161 is an equidigital number, since it uses as much as digits as its factorization.

3923607161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3923607161 is about 62638.7033789813. The cubic root of 3923607161 is about 1577.2305221393.

The spelling of 3923607161 in words is "three billion, nine hundred twenty-three million, six hundred seven thousand, one hundred sixty-one".