166230272 has 72 divisors (see below), whose sum is σ = 360561600. Its totient is φ = 76032000.

The previous prime is 166230257. The next prime is 166230293. The reversal of 166230272 is 272032661.

It is a super-3 number, since 3×166230272³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662147 + ... + 662397.

It is an arithmetic number, because the mean of its divisors is an integer number (5007800).

Almost surely, 2^166230272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166230272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180280800).

166230272 is an abundant number, since it is smaller than the sum of its proper divisors (194331328).

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

166230272 is a wasteful number, since it uses less digits than its factorization.

166230272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 166230272 is about 12893.0319165044. The cubic root of 166230272 is about 549.8404738445.

The spelling of 166230272 in words is "one hundred sixty-six million, two hundred thirty thousand, two hundred seventy-two".