166476146047 has 2 divisors, whose sum is σ = 166476146048. Its totient is φ = 166476146046.

The previous prime is 166476146033. The next prime is 166476146093. The reversal of 166476146047 is 740641674661.

166476146047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166476146047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166476145985 and 166476146003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166476146747) 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, 83238073023 + 83238073024.

It is an arithmetic number, because the mean of its divisors is an integer number (83238073024).

Almost surely, 2^166476146047 is an apocalyptic number.

166476146047 is a deficient number, since it is larger than the sum of its proper divisors (1).

166476146047 is an equidigital number, since it uses as much as digits as its factorization.

166476146047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 166476146047 in words is "one hundred sixty-six billion, four hundred seventy-six million, one hundred forty-six thousand, forty-seven".