166323652 has 12 divisors (see below), whose sum is σ = 317527056. Its totient is φ = 75601640.

The previous prime is 166323629. The next prime is 166323673. The reversal of 166323652 is 256323661.

166323652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1889998 + ... + 1890085.

It is an arithmetic number, because the mean of its divisors is an integer number (26460588).

Almost surely, 2^166323652 is an apocalyptic number.

It is an amenable number.

166323652 is a deficient number, since it is larger than the sum of its proper divisors (151203404).

166323652 is a wasteful number, since it uses less digits than its factorization.

166323652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780098 (or 3780096 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 166323652 is about 12896.6527440263. The cubic root of 166323652 is about 549.9434123599.

Subtracting 166323652 from its reverse (256323661), we obtain a palindrome (90000009).

The spelling of 166323652 in words is "one hundred sixty-six million, three hundred twenty-three thousand, six hundred fifty-two".