166094716262437 has 2 divisors, whose sum is σ = 166094716262438. Its totient is φ = 166094716262436.

The previous prime is 166094716262339. The next prime is 166094716262441. The reversal of 166094716262437 is 734262617490661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151482950081281 + 14611766181156 = 12307841^2 + 3822534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166094716262437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166094711262437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83047358131218 + 83047358131219.

It is an arithmetic number, because the mean of its divisors is an integer number (83047358131219).

Almost surely, 2^{166094716262437} is an apocalyptic number.

It is an amenable number.

166094716262437 is a deficient number, since it is larger than the sum of its proper divisors (1).

166094716262437 is an equidigital number, since it uses as much as digits as its factorization.

166094716262437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109734912, while the sum is 64.

The spelling of 166094716262437 in words is "one hundred sixty-six trillion, ninety-four billion, seven hundred sixteen million, two hundred sixty-two thousand, four hundred thirty-seven".