166707043 has 2 divisors, whose sum is σ = 166707044. Its totient is φ = 166707042.

The previous prime is 166707019. The next prime is 166707053. The reversal of 166707043 is 340707661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166707043 - 2⁹ = 166706531 is a prime.

It is not a weakly prime, because it can be changed into another prime (166707053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83353521 + 83353522.

It is an arithmetic number, because the mean of its divisors is an integer number (83353522).

Almost surely, 2^166707043 is an apocalyptic number.

166707043 is a deficient number, since it is larger than the sum of its proper divisors (1).

166707043 is an equidigital number, since it uses as much as digits as its factorization.

166707043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 166707043 is about 12911.5081613265. The cubic root of 166707043 is about 550.3656444660.

The spelling of 166707043 in words is "one hundred sixty-six million, seven hundred seven thousand, forty-three".