171158401 has 8 divisors (see below), whose sum is σ = 173979360. Its totient is φ = 168345408.

The previous prime is 171158389. The next prime is 171158419. The reversal of 171158401 is 104851171.

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

It is a cyclic number.

It is not a de Polignac number, because 171158401 - 2⁵ = 171158369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 171158401.

It is not an unprimeable number, because it can be changed into a prime (171158461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53865 + ... + 56953.

It is an arithmetic number, because the mean of its divisors is an integer number (21747420).

Almost surely, 2^171158401 is an apocalyptic number.

It is an amenable number.

171158401 is a deficient number, since it is larger than the sum of its proper divisors (2820959).

171158401 is an equidigital number, since it uses as much as digits as its factorization.

171158401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983.

The product of its (nonzero) digits is 1120, while the sum is 28.

The square root of 171158401 is about 13082.7520422884. The cubic root of 171158401 is about 555.2212423131.

The spelling of 171158401 in words is "one hundred seventy-one million, one hundred fifty-eight thousand, four hundred one".