171664041 has 16 divisors (see below), whose sum is σ = 234710784. Its totient is φ = 111541584.

The previous prime is 171664037. The next prime is 171664057. The reversal of 171664041 is 140466171.

171664041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 171664041 - 2² = 171664037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (171664841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74590 + ... + 76856.

It is an arithmetic number, because the mean of its divisors is an integer number (14669424).

Almost surely, 2^171664041 is an apocalyptic number.

It is an amenable number.

171664041 is a deficient number, since it is larger than the sum of its proper divisors (63046743).

171664041 is a wasteful number, since it uses less digits than its factorization.

171664041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 171664041 is about 13102.0624712295. The cubic root of 171664041 is about 555.7674538185.

The spelling of 171664041 in words is "one hundred seventy-one million, six hundred sixty-four thousand, forty-one".