171612111102 has 8 divisors (see below), whose sum is σ = 343224222216. Its totient is φ = 57204037032.

The previous prime is 171612111079. The next prime is 171612111149. The reversal of 171612111102 is 201111216171.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

171612111102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14301009253 + ... + 14301009264.

It is an arithmetic number, because the mean of its divisors is an integer number (42903027777).

Almost surely, 2^171612111102 is an apocalyptic number.

171612111102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171612111102 is a wasteful number, since it uses less digits than its factorization.

171612111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28602018522.

The product of its (nonzero) digits is 168, while the sum is 24.

Adding to 171612111102 its reverse (201111216171), we get a palindrome (372723327273).

The spelling of 171612111102 in words is "one hundred seventy-one billion, six hundred twelve million, one hundred eleven thousand, one hundred two".