171172016 has 20 divisors (see below), whose sum is σ = 332658024. Its totient is φ = 85324800.

The previous prime is 171171991. The next prime is 171172019. The reversal of 171172016 is 610271171.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (171172019) 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, 10865 + ... + 21456.

Almost surely, 2^171172016 is an apocalyptic number.

171172016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

171172016 is a deficient number, since it is larger than the sum of its proper divisors (161486008).

171172016 is a wasteful number, since it uses less digits than its factorization.

171172016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32660 (or 32654 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 171172016 is about 13083.2723735310. The cubic root of 171172016 is about 555.2359638357.

The spelling of 171172016 in words is "one hundred seventy-one million, one hundred seventy-two thousand, sixteen".