166206244 has 6 divisors (see below), whose sum is σ = 290860934. Its totient is φ = 83103120.

The previous prime is 166206239. The next prime is 166206253. The reversal of 166206244 is 442602661.

166206244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 112360000 + 53846244 = 10600^2 + 7338^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20775777 + ... + 20775784.

Almost surely, 2^166206244 is an apocalyptic number.

It is an amenable number.

166206244 is a deficient number, since it is larger than the sum of its proper divisors (124654690).

166206244 is a wasteful number, since it uses less digits than its factorization.

166206244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41551565 (or 41551563 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 166206244 is about 12892.1000616657. The cubic root of 166206244 is about 549.8139800670.

The spelling of 166206244 in words is "one hundred sixty-six million, two hundred six thousand, two hundred forty-four".