166998341 has 4 divisors (see below), whose sum is σ = 167434752. Its totient is φ = 166561932.

The previous prime is 166998317. The next prime is 166998373. The reversal of 166998341 is 143899661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 166998341 - 2¹⁴ = 166981957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166998301) by changing a digit.

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, 217631 + ... + 218396.

It is an arithmetic number, because the mean of its divisors is an integer number (41858688).

Almost surely, 2^166998341 is an apocalyptic number.

It is an amenable number.

166998341 is a deficient number, since it is larger than the sum of its proper divisors (436411).

166998341 is an equidigital number, since it uses as much as digits as its factorization.

166998341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436410.

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

The square root of 166998341 is about 12922.7837945235. The cubic root of 166998341 is about 550.6860210975.

The spelling of 166998341 in words is "one hundred sixty-six million, nine hundred ninety-eight thousand, three hundred forty-one".