166283238 has 32 divisors (see below), whose sum is σ = 378577152. Its totient is φ = 48197600.

The previous prime is 166283237. The next prime is 166283251. The reversal of 166283238 is 832382661.

It is a junction number, because it is equal to n+sod(n) for n = 166283196 and 166283205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166283237) 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, 53253 + ... + 56288.

It is an arithmetic number, because the mean of its divisors is an integer number (11830536).

Almost surely, 2^166283238 is an apocalyptic number.

166283238 is an abundant number, since it is smaller than the sum of its proper divisors (212293914).

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

166283238 is a wasteful number, since it uses less digits than its factorization.

166283238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109580.

The product of its digits is 82944, while the sum is 39.

The square root of 166283238 is about 12895.0858081674. The cubic root of 166283238 is about 549.8988662532.

The spelling of 166283238 in words is "one hundred sixty-six million, two hundred eighty-three thousand, two hundred thirty-eight".