102161050625171 has 4 divisors (see below), whose sum is σ = 102161072209152. Its totient is φ = 102161029041192.

The previous prime is 102161050625167. The next prime is 102161050625197. The reversal of 102161050625171 is 171526050161201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102161050625171 - 2² = 102161050625167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102161050625071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277496 + ... + 14296821.

It is an arithmetic number, because the mean of its divisors is an integer number (25540268052288).

Almost surely, 2^{102161050625171} is an apocalyptic number.

102161050625171 is a deficient number, since it is larger than the sum of its proper divisors (21583981).

102161050625171 is an equidigital number, since it uses as much as digits as its factorization.

102161050625171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21583980.

The product of its (nonzero) digits is 25200, while the sum is 38.

The spelling of 102161050625171 in words is "one hundred two trillion, one hundred sixty-one billion, fifty million, six hundred twenty-five thousand, one hundred seventy-one".