80166143 has 2 divisors, whose sum is σ = 80166144. Its totient is φ = 80166142.

The previous prime is 80166049. The next prime is 80166199. The reversal of 80166143 is 34166108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80166143 - 2¹⁰ = 80165119 is a prime.

It is a super-2 number, since 2×80166143² = 12853220966992898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80166043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40083071 + 40083072.

It is an arithmetic number, because the mean of its divisors is an integer number (40083072).

Almost surely, 2^80166143 is an apocalyptic number.

80166143 is a deficient number, since it is larger than the sum of its proper divisors (1).

80166143 is an equidigital number, since it uses as much as digits as its factorization.

80166143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 80166143 is about 8953.5547689172. The cubic root of 80166143 is about 431.1850186204.

The spelling of 80166143 in words is "eighty million, one hundred sixty-six thousand, one hundred forty-three".