171166042 has 8 divisors (see below), whose sum is σ = 256824000. Its totient is φ = 85558044.

The previous prime is 171166001. The next prime is 171166043. The reversal of 171166042 is 240661171.

171166042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 171166042.

It is not an unprimeable number, because it can be changed into a prime (171166043) 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, 2242 + ... + 18637.

It is an arithmetic number, because the mean of its divisors is an integer number (32103000).

Almost surely, 2^171166042 is an apocalyptic number.

171166042 is a deficient number, since it is larger than the sum of its proper divisors (85657958).

171166042 is a wasteful number, since it uses less digits than its factorization.

171166042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24980.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 171166042 is about 13083.0440647427. The cubic root of 171166042 is about 555.2295044110.

The spelling of 171166042 in words is "one hundred seventy-one million, one hundred sixty-six thousand, forty-two".