166066552 has 16 divisors (see below), whose sum is σ = 311708160. Its totient is φ = 82944384.

The previous prime is 166066529. The next prime is 166066553. The reversal of 166066552 is 255660661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166066553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808 + ... + 18439.

It is an arithmetic number, because the mean of its divisors is an integer number (19481760).

Almost surely, 2^166066552 is an apocalyptic number.

It is an amenable number.

166066552 is a deficient number, since it is larger than the sum of its proper divisors (145641608).

166066552 is a wasteful number, since it uses less digits than its factorization.

166066552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22230 (or 22226 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 166066552 is about 12886.6811864033. The cubic root of 166066552 is about 549.6599021372.

The spelling of 166066552 in words is "one hundred sixty-six million, sixty-six thousand, five hundred fifty-two".