29100200161 has 2 divisors, whose sum is σ = 29100200162. Its totient is φ = 29100200160.

The previous prime is 29100200159. The next prime is 29100200209. The reversal of 29100200161 is 16100200192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28983019536 + 117180625 = 170244^2 + 10825^2 .

It is a cyclic number.

It is not a de Polignac number, because 29100200161 - 2¹ = 29100200159 is a prime.

Together with 29100200159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (29100200141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14550100080 + 14550100081.

It is an arithmetic number, because the mean of its divisors is an integer number (14550100081).

Almost surely, 2^29100200161 is an apocalyptic number.

It is an amenable number.

29100200161 is a deficient number, since it is larger than the sum of its proper divisors (1).

29100200161 is an equidigital number, since it uses as much as digits as its factorization.

29100200161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 29100200161 in words is "twenty-nine billion, one hundred million, two hundred thousand, one hundred sixty-one".