166320083 has 2 divisors, whose sum is σ = 166320084. Its totient is φ = 166320082.

The previous prime is 166320071. The next prime is 166320097. The reversal of 166320083 is 380023661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166320083 - 2⁶ = 166320019 is a prime.

It is not a weakly prime, because it can be changed into another prime (166320283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83160041 + 83160042.

It is an arithmetic number, because the mean of its divisors is an integer number (83160042).

Almost surely, 2^166320083 is an apocalyptic number.

166320083 is a deficient number, since it is larger than the sum of its proper divisors (1).

166320083 is an equidigital number, since it uses as much as digits as its factorization.

166320083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 166320083 is about 12896.5143740470. The cubic root of 166320083 is about 549.9394787400.

The spelling of 166320083 in words is "one hundred sixty-six million, three hundred twenty thousand, eighty-three".