166806224 has 40 divisors (see below), whose sum is σ = 348831840. Its totient is φ = 76814208.

The previous prime is 166806223. The next prime is 166806229. The reversal of 166806224 is 422608661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166806223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163187 + ... + 164205.

It is an arithmetic number, because the mean of its divisors is an integer number (8720796).

Almost surely, 2^166806224 is an apocalyptic number.

It is an amenable number.

166806224 is an abundant number, since it is smaller than the sum of its proper divisors (182025616).

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

166806224 is a wasteful number, since it uses less digits than its factorization.

166806224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827 (or 1821 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 166806224 is about 12915.3483886421. The cubic root of 166806224 is about 550.4747680168.

The spelling of 166806224 in words is "one hundred sixty-six million, eight hundred six thousand, two hundred twenty-four".