166559852 has 24 divisors (see below), whose sum is σ = 307991040. Its totient is φ = 78595920.

The previous prime is 166559843. The next prime is 166559879. The reversal of 166559852 is 258955661.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 166559797 and 166559806.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16553 + ... + 24639.

It is an arithmetic number, because the mean of its divisors is an integer number (12832960).

Almost surely, 2^166559852 is an apocalyptic number.

It is an amenable number.

166559852 is a deficient number, since it is larger than the sum of its proper divisors (141431188).

166559852 is a wasteful number, since it uses less digits than its factorization.

166559852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8381 (or 8379 counting only the distinct ones).

The product of its digits is 648000, while the sum is 47.

The square root of 166559852 is about 12905.8069100696. The cubic root of 166559852 is about 550.2036182721.

The spelling of 166559852 in words is "one hundred sixty-six million, five hundred fifty-nine thousand, eight hundred fifty-two".