32161884229 has 2 divisors, whose sum is σ = 32161884230. Its totient is φ = 32161884228.

The previous prime is 32161884187. The next prime is 32161884257. The reversal of 32161884229 is 92248816123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24002375329 + 8159508900 = 154927^2 + 90330^2 .

It is a cyclic number.

It is not a de Polignac number, because 32161884229 - 2¹⁵ = 32161851461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32161884289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16080942114 + 16080942115.

It is an arithmetic number, because the mean of its divisors is an integer number (16080942115).

Almost surely, 2^32161884229 is an apocalyptic number.

It is an amenable number.

32161884229 is a deficient number, since it is larger than the sum of its proper divisors (1).

32161884229 is an equidigital number, since it uses as much as digits as its factorization.

32161884229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 46.

The spelling of 32161884229 in words is "thirty-two billion, one hundred sixty-one million, eight hundred eighty-four thousand, two hundred twenty-nine".