166061183 has 2 divisors, whose sum is σ = 166061184. Its totient is φ = 166061182.

The previous prime is 166061167. The next prime is 166061201. The reversal of 166061183 is 381160661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166061183 - 2⁴ = 166061167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166061383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83030591 + 83030592.

It is an arithmetic number, because the mean of its divisors is an integer number (83030592).

Almost surely, 2^166061183 is an apocalyptic number.

166061183 is a deficient number, since it is larger than the sum of its proper divisors (1).

166061183 is an equidigital number, since it uses as much as digits as its factorization.

166061183 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 32.

The square root of 166061183 is about 12886.4728688652. The cubic root of 166061183 is about 549.6539784964.

The spelling of 166061183 in words is "one hundred sixty-six million, sixty-one thousand, one hundred eighty-three".