101660171 has 4 divisors (see below), whose sum is σ = 102708312. Its totient is φ = 100612032.

The previous prime is 101660149. The next prime is 101660177. The reversal of 101660171 is 171066101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101660171 - 2¹⁸ = 101398027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101660177) 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 3 ways as a sum of consecutive naturals, for example, 523925 + ... + 524118.

It is an arithmetic number, because the mean of its divisors is an integer number (25677078).

Almost surely, 2^101660171 is an apocalyptic number.

101660171 is a deficient number, since it is larger than the sum of its proper divisors (1048141).

101660171 is an equidigital number, since it uses as much as digits as its factorization.

101660171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048140.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 101660171 is about 10082.6668595169. Note that the first 3 decimals coincide. The cubic root of 101660171 is about 466.7134089802.

The spelling of 101660171 in words is "one hundred one million, six hundred sixty thousand, one hundred seventy-one".