172116614 has 8 divisors (see below), whose sum is σ = 258380928. Its totient is φ = 85989640.

The previous prime is 172116601. The next prime is 172116617. The reversal of 172116614 is 416611271.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172116617) 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, 31142 + ... + 36249.

It is an arithmetic number, because the mean of its divisors is an integer number (32297616).

Almost surely, 2^172116614 is an apocalyptic number.

172116614 is a deficient number, since it is larger than the sum of its proper divisors (86264314).

172116614 is a wasteful number, since it uses less digits than its factorization.

172116614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68670.

The product of its digits is 2016, while the sum is 29.

The square root of 172116614 is about 13119.3221623680. The cubic root of 172116614 is about 556.2554314329.

Adding to 172116614 its reverse (416611271), we get a palindrome (588727885).

The spelling of 172116614 in words is "one hundred seventy-two million, one hundred sixteen thousand, six hundred fourteen".