166004343 has 8 divisors (see below), whose sum is σ = 245932400. Its totient is φ = 110669544.

The previous prime is 166004339. The next prime is 166004351. The reversal of 166004343 is 343400661.

166004343 is a `hidden beast` number, since 16 + 600 + 4 + 3 + 43 = 666.

It is not a de Polignac number, because 166004343 - 2² = 166004339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 6148309 = 166004343 / (1 + 6 + 6 + 0 + 0 + 4 + 3 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166004353) 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, 3074128 + ... + 3074181.

It is an arithmetic number, because the mean of its divisors is an integer number (30741550).

Almost surely, 2^166004343 is an apocalyptic number.

166004343 is a deficient number, since it is larger than the sum of its proper divisors (79928057).

166004343 is an equidigital number, since it uses as much as digits as its factorization.

166004343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148318 (or 6148312 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 166004343 is about 12884.2672667094. The cubic root of 166004343 is about 549.5912588473.

The spelling of 166004343 in words is "one hundred sixty-six million, four thousand, three hundred forty-three".