166948193 has 8 divisors (see below), whose sum is σ = 178211520. Its totient is φ = 155932560.

The previous prime is 166948189. The next prime is 166948207. The reversal of 166948193 is 391849661.

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 166948193 - 2² = 166948189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166948123) 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, 60530 + ... + 63227.

It is an arithmetic number, because the mean of its divisors is an integer number (22276440).

Almost surely, 2^166948193 is an apocalyptic number.

It is an amenable number.

166948193 is a deficient number, since it is larger than the sum of its proper divisors (11263327).

166948193 is a wasteful number, since it uses less digits than its factorization.

166948193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123847.

The product of its digits is 279936, while the sum is 47.

The square root of 166948193 is about 12920.8433548279. The cubic root of 166948193 is about 550.6308936690.

The spelling of 166948193 in words is "one hundred sixty-six million, nine hundred forty-eight thousand, one hundred ninety-three".