166410231 has 16 divisors (see below), whose sum is σ = 239986656. Its totient is φ = 101961216.

The previous prime is 166410187. The next prime is 166410247. The reversal of 166410231 is 132014661.

It is not a de Polignac number, because 166410231 - 2¹⁰ = 166409207 is a prime.

It is a super-2 number, since 2×166410231² = 55384729962946722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166410281) 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, 70 + ... + 18243.

It is an arithmetic number, because the mean of its divisors is an integer number (14999166).

Almost surely, 2^166410231 is an apocalyptic number.

166410231 is a deficient number, since it is larger than the sum of its proper divisors (73576425).

166410231 is a wasteful number, since it uses less digits than its factorization.

166410231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18562.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 166410231 is about 12900.0089534853. The cubic root of 166410231 is about 550.0388192986.

Adding to 166410231 its reverse (132014661), we get a palindrome (298424892).

The spelling of 166410231 in words is "one hundred sixty-six million, four hundred ten thousand, two hundred thirty-one".