171640130 has 16 divisors (see below), whose sum is σ = 311313024. Its totient is φ = 68131440.

The previous prime is 171640097. The next prime is 171640159. The reversal of 171640130 is 31046171.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 171640096 and 171640105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 64202 + ... + 66821.

It is an arithmetic number, because the mean of its divisors is an integer number (19457064).

Almost surely, 2^171640130 is an apocalyptic number.

171640130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

171640130 is a deficient number, since it is larger than the sum of its proper divisors (139672894).

171640130 is a wasteful number, since it uses less digits than its factorization.

171640130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131161.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 171640130 is about 13101.1499495273. The cubic root of 171640130 is about 555.7416484284.

The spelling of 171640130 in words is "one hundred seventy-one million, six hundred forty thousand, one hundred thirty".