166205852 has 12 divisors (see below), whose sum is σ = 292713960. Its totient is φ = 82573296.

The previous prime is 166205807. The next prime is 166205861. The reversal of 166205852 is 258502661.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 131702 + ... + 132957.

It is an arithmetic number, because the mean of its divisors is an integer number (24392830).

Almost surely, 2^166205852 is an apocalyptic number.

It is an amenable number.

166205852 is a deficient number, since it is larger than the sum of its proper divisors (126508108).

166205852 is a wasteful number, since it uses less digits than its factorization.

166205852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264820 (or 264818 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 166205852 is about 12892.0848585479. The cubic root of 166205852 is about 549.8135478184.

The spelling of 166205852 in words is "one hundred sixty-six million, two hundred five thousand, eight hundred fifty-two".