166541552 has 10 divisors (see below), whose sum is σ = 322674288. Its totient is φ = 83270768.

The previous prime is 166541533. The next prime is 166541569. The reversal of 166541552 is 255145661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5204408 + ... + 5204439.

Almost surely, 2^166541552 is an apocalyptic number.

It is an amenable number.

166541552 is a deficient number, since it is larger than the sum of its proper divisors (156132736).

166541552 is a wasteful number, since it uses less digits than its factorization.

166541552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10408855 (or 10408849 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 166541552 is about 12905.0979074163. The cubic root of 166541552 is about 550.1834671675.

The spelling of 166541552 in words is "one hundred sixty-six million, five hundred forty-one thousand, five hundred fifty-two".