166670025190043 has 2 divisors, whose sum is σ = 166670025190044. Its totient is φ = 166670025190042.

The previous prime is 166670025190001. The next prime is 166670025190063. The reversal of 166670025190043 is 340091520076661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166670025190043 - 2¹² = 166670025185947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166670025189973 and 166670025190000.

It is not a weakly prime, because it can be changed into another prime (166670025190063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83335012595021 + 83335012595022.

It is an arithmetic number, because the mean of its divisors is an integer number (83335012595022).

Almost surely, 2^{166670025190043} is an apocalyptic number.

166670025190043 is a deficient number, since it is larger than the sum of its proper divisors (1).

166670025190043 is an equidigital number, since it uses as much as digits as its factorization.

166670025190043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 166670025190043 in words is "one hundred sixty-six trillion, six hundred seventy billion, twenty-five million, one hundred ninety thousand, forty-three".