3161664193 has 2 divisors, whose sum is σ = 3161664194. Its totient is φ = 3161664192.

The previous prime is 3161664127. The next prime is 3161664287. The reversal of 3161664193 is 3914661613.

It is a happy number.

3161664193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3136784049 + 24880144 = 56007^2 + 4988^2 .

It is an emirp because it is prime and its reverse (3914661613) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3161664193 is a prime.

It is a super-2 number, since 2×3161664193² = 19992240938596682498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3161665193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580832096 + 1580832097.

It is an arithmetic number, because the mean of its divisors is an integer number (1580832097).

Almost surely, 2^3161664193 is an apocalyptic number.

It is an amenable number.

3161664193 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161664193 is an equidigital number, since it uses as much as digits as its factorization.

3161664193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 3161664193 is about 56228.6776742971. The cubic root of 3161664193 is about 1467.7043460717.

The spelling of 3161664193 in words is "three billion, one hundred sixty-one million, six hundred sixty-four thousand, one hundred ninety-three".