166235132 has 12 divisors (see below), whose sum is σ = 332470320. Its totient is φ = 71243616.

The previous prime is 166235087. The next prime is 166235141. The reversal of 166235132 is 231532661.

166235132 is an admirable number.

It is a super-2 number, since 2×166235132² = 55268238222114848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166235095 and 166235104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2968457 + ... + 2968512.

It is an arithmetic number, because the mean of its divisors is an integer number (27705860).

Almost surely, 2^166235132 is an apocalyptic number.

It is an amenable number.

166235132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166235132 is a wasteful number, since it uses less digits than its factorization.

166235132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936980 (or 5936978 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 166235132 is about 12893.2203890262. The cubic root of 166235132 is about 549.8458322722.

Adding to 166235132 its reverse (231532661), we get a palindrome (397767793).

The spelling of 166235132 in words is "one hundred sixty-six million, two hundred thirty-five thousand, one hundred thirty-two".