166266724 has 96 divisors (see below), whose sum is σ = 346477824. Its totient is φ = 69189120.

The previous prime is 166266721. The next prime is 166266743. The reversal of 166266724 is 427662661.

166266724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166266721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2725654 + ... + 2725714.

It is an arithmetic number, because the mean of its divisors is an integer number (3609144).

Almost surely, 2^166266724 is an apocalyptic number.

It is an amenable number.

166266724 is an abundant number, since it is smaller than the sum of its proper divisors (180211100).

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

166266724 is a wasteful number, since it uses less digits than its factorization.

166266724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 195 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 166266724 is about 12894.4454708219. The cubic root of 166266724 is about 549.8806617113.

It can be divided in two parts, 1662 and 66724, that added together give a palindrome (68386).

The spelling of 166266724 in words is "one hundred sixty-six million, two hundred sixty-six thousand, seven hundred twenty-four".