166052863 has 2 divisors, whose sum is σ = 166052864. Its totient is φ = 166052862.

The previous prime is 166052857. The next prime is 166052879. The reversal of 166052863 is 368250661.

It is a weak prime.

It is an emirp because it is prime and its reverse (368250661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166052863 - 2⁹ = 166052351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166052563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83026431 + 83026432.

It is an arithmetic number, because the mean of its divisors is an integer number (83026432).

Almost surely, 2^166052863 is an apocalyptic number.

166052863 is a deficient number, since it is larger than the sum of its proper divisors (1).

166052863 is an equidigital number, since it uses as much as digits as its factorization.

166052863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 166052863 is about 12886.1500456886. The cubic root of 166052863 is about 549.6447987523.

The spelling of 166052863 in words is "one hundred sixty-six million, fifty-two thousand, eight hundred sixty-three".