166241272 has 16 divisors (see below), whose sum is σ = 311875200. Its totient is φ = 83074560.

The previous prime is 166241267. The next prime is 166241297. The reversal of 166241272 is 272142661.

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, 13272 + ... + 22552.

It is an arithmetic number, because the mean of its divisors is an integer number (19492200).

Almost surely, 2^166241272 is an apocalyptic number.

It is an amenable number.

166241272 is a deficient number, since it is larger than the sum of its proper divisors (145633928).

166241272 is a wasteful number, since it uses less digits than its factorization.

166241272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11526 (or 11522 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 166241272 is about 12893.4584964625. The cubic root of 166241272 is about 549.8526018236.

The spelling of 166241272 in words is "one hundred sixty-six million, two hundred forty-one thousand, two hundred seventy-two".