102176161 has 4 divisors (see below), whose sum is σ = 102238000. Its totient is φ = 102114324.

The previous prime is 102176131. The next prime is 102176177. The reversal of 102176161 is 161671201.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 102176161 - 2²¹ = 100079009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102176101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28371 + ... + 31768.

It is an arithmetic number, because the mean of its divisors is an integer number (25559500).

Almost surely, 2^102176161 is an apocalyptic number.

It is an amenable number.

102176161 is a deficient number, since it is larger than the sum of its proper divisors (61839).

102176161 is an equidigital number, since it uses as much as digits as its factorization.

102176161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61838.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 102176161 is about 10108.2224451186. Note that the first 3 decimals coincide. The cubic root of 102176161 is about 467.5016992131.

The spelling of 102176161 in words is "one hundred two million, one hundred seventy-six thousand, one hundred sixty-one".