10202109161 has 2 divisors, whose sum is σ = 10202109162. Its totient is φ = 10202109160.

The previous prime is 10202109133. The next prime is 10202109167. The reversal of 10202109161 is 16190120201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9988803136 + 213306025 = 99944^2 + 14605^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202109161 - 2³⁰ = 9128367337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10202109167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101054580 + 5101054581.

It is an arithmetic number, because the mean of its divisors is an integer number (5101054581).

Almost surely, 2^10202109161 is an apocalyptic number.

It is an amenable number.

10202109161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202109161 is an equidigital number, since it uses as much as digits as its factorization.

10202109161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 10202109161 its reverse (16190120201), we get a palindrome (26392229362).

The spelling of 10202109161 in words is "ten billion, two hundred two million, one hundred nine thousand, one hundred sixty-one".