3206161997 has 2 divisors, whose sum is σ = 3206161998. Its totient is φ = 3206161996.

The previous prime is 3206161969. The next prime is 3206162009. The reversal of 3206161997 is 7991616023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2279203081 + 926958916 = 47741^2 + 30446^2 .

It is a cyclic number.

It is not a de Polignac number, because 3206161997 - 2¹⁰ = 3206160973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3206161957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603080998 + 1603080999.

It is an arithmetic number, because the mean of its divisors is an integer number (1603080999).

Almost surely, 2^3206161997 is an apocalyptic number.

It is an amenable number.

3206161997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3206161997 is an equidigital number, since it uses as much as digits as its factorization.

3206161997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 3206161997 is about 56622.9811737249. The cubic root of 3206161997 is about 1474.5578675986.

The spelling of 3206161997 in words is "three billion, two hundred six million, one hundred sixty-one thousand, nine hundred ninety-seven".