171164542 has 8 divisors (see below), whose sum is σ = 257898816. Its totient is φ = 85198272.

The previous prime is 171164537. The next prime is 171164549. The reversal of 171164542 is 245461171.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171164549) 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, 191443 + ... + 192334.

It is an arithmetic number, because the mean of its divisors is an integer number (32237352).

Almost surely, 2^171164542 is an apocalyptic number.

171164542 is a deficient number, since it is larger than the sum of its proper divisors (86734274).

171164542 is a wasteful number, since it uses less digits than its factorization.

171164542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384002.

The product of its digits is 6720, while the sum is 31.

The square root of 171164542 is about 13082.9867385089. The cubic root of 171164542 is about 555.2278825030.

The spelling of 171164542 in words is "one hundred seventy-one million, one hundred sixty-four thousand, five hundred forty-two".