166576849 has 8 divisors (see below), whose sum is σ = 172389888. Its totient is φ = 160832880.

The previous prime is 166576811. The next prime is 166576859. The reversal of 166576849 is 948675661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166576849 - 2¹⁷ = 166445777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166576796 and 166576805.

It is not an unprimeable number, because it can be changed into a prime (166576859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12337 + ... + 22030.

It is an arithmetic number, because the mean of its divisors is an integer number (21548736).

Almost surely, 2^166576849 is an apocalyptic number.

It is an amenable number.

166576849 is a deficient number, since it is larger than the sum of its proper divisors (5813039).

166576849 is a wasteful number, since it uses less digits than its factorization.

166576849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34535.

The product of its digits is 2177280, while the sum is 52.

The square root of 166576849 is about 12906.4653952970. The cubic root of 166576849 is about 550.2223332519. Note that the first 3 decimals are identical.

The spelling of 166576849 in words is "one hundred sixty-six million, five hundred seventy-six thousand, eight hundred forty-nine".