7166443 has 2 divisors, whose sum is σ = 7166444. Its totient is φ = 7166442.

The previous prime is 7166417. The next prime is 7166447. The reversal of 7166443 is 3446617.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7166443 is a prime.

It is not a weakly prime, because it can be changed into another prime (7166447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3583221 + 3583222.

It is an arithmetic number, because the mean of its divisors is an integer number (3583222).

Almost surely, 2^7166443 is an apocalyptic number.

7166443 is a deficient number, since it is larger than the sum of its proper divisors (1).

7166443 is an equidigital number, since it uses as much as digits as its factorization.

7166443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 7166443 is about 2677.0212924069. The cubic root of 7166443 is about 192.7974195892.

It can be divided in two parts, 7 and 166443, that multiplied together give a triangular number (1165101 = T₁₅₂₆).

The spelling of 7166443 in words is "seven million, one hundred sixty-six thousand, four hundred forty-three".