105650005161 has 4 divisors (see below), whose sum is σ = 140866673552. Its totient is φ = 70433336772.

The previous prime is 105650005121. The next prime is 105650005211. The reversal of 105650005161 is 161500056501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 105650005161 - 2⁷ = 105650005033 is a prime.

It is a super-2 number, since 2×105650005161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105650005121) 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 in 3 ways as a sum of consecutive naturals, for example, 17608334191 + ... + 17608334196.

It is an arithmetic number, because the mean of its divisors is an integer number (35216668388).

Almost surely, 2^105650005161 is an apocalyptic number.

It is an amenable number.

105650005161 is a deficient number, since it is larger than the sum of its proper divisors (35216668391).

105650005161 is an equidigital number, since it uses as much as digits as its factorization.

105650005161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35216668390.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 105650005161 in words is "one hundred five billion, six hundred fifty million, five thousand, one hundred sixty-one".