171151664 has 20 divisors (see below), whose sum is σ = 331861200. Its totient is φ = 85510080.

The previous prime is 171151657. The next prime is 171151667. The reversal of 171151664 is 466151171.

It is a self number, because there is not a number n which added to its sum of digits gives 171151664.

It is not an unprimeable number, because it can be changed into a prime (171151667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22637 + ... + 29235.

It is an arithmetic number, because the mean of its divisors is an integer number (16593060).

Almost surely, 2^171151664 is an apocalyptic number.

It is an amenable number.

171151664 is a deficient number, since it is larger than the sum of its proper divisors (160709536).

171151664 is a wasteful number, since it uses less digits than its factorization.

171151664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8228 (or 8222 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 171151664 is about 13082.4945633469. The cubic root of 171151664 is about 555.2139574928.

The spelling of 171151664 in words is "one hundred seventy-one million, one hundred fifty-one thousand, six hundred sixty-four".