166116883 has 2 divisors, whose sum is σ = 166116884. Its totient is φ = 166116882.

The previous prime is 166116859. The next prime is 166116887. The reversal of 166116883 is 388611661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166116883 - 2²¹ = 164019731 is a prime.

It is not a weakly prime, because it can be changed into another prime (166116887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83058441 + 83058442.

It is an arithmetic number, because the mean of its divisors is an integer number (83058442).

Almost surely, 2^166116883 is an apocalyptic number.

166116883 is a deficient number, since it is larger than the sum of its proper divisors (1).

166116883 is an equidigital number, since it uses as much as digits as its factorization.

166116883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 40.

The square root of 166116883 is about 12888.6338686457. The cubic root of 166116883 is about 549.7154263388.

The spelling of 166116883 in words is "one hundred sixty-six million, one hundred sixteen thousand, eight hundred eighty-three".