171166061 has 16 divisors (see below), whose sum is σ = 192249600. Its totient is φ = 151070400.

The previous prime is 171166043. The next prime is 171166063. The reversal of 171166061 is 160661171.

It is a cyclic number.

It is not a de Polignac number, because 171166061 - 2⁶ = 171165997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171166063) 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, 51395 + ... + 54623.

It is an arithmetic number, because the mean of its divisors is an integer number (12015600).

Almost surely, 2^171166061 is an apocalyptic number.

171166061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

171166061 is a deficient number, since it is larger than the sum of its proper divisors (21083539).

171166061 is a wasteful number, since it uses less digits than its factorization.

171166061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 171166061 is about 13083.0447908734. The cubic root of 171166061 is about 555.2295249551.

The spelling of 171166061 in words is "one hundred seventy-one million, one hundred sixty-six thousand, sixty-one".