166884272 has 10 divisors (see below), whose sum is σ = 323338308. Its totient is φ = 83442128.

The previous prime is 166884259. The next prime is 166884281. The reversal of 166884272 is 272488661.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5215118 + ... + 5215149.

Almost surely, 2^166884272 is an apocalyptic number.

It is an amenable number.

166884272 is a deficient number, since it is larger than the sum of its proper divisors (156454036).

166884272 is a wasteful number, since it uses less digits than its factorization.

166884272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430275 (or 10430269 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 166884272 is about 12918.3695565656. The cubic root of 166884272 is about 550.5606096491.

The spelling of 166884272 in words is "one hundred sixty-six million, eight hundred eighty-four thousand, two hundred seventy-two".