166480373 has 2 divisors, whose sum is σ = 166480374. Its totient is φ = 166480372.

The previous prime is 166480343. The next prime is 166480397. The reversal of 166480373 is 373084661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166461604 + 18769 = 12902^2 + 137^2 .

It is an emirp because it is prime and its reverse (373084661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166480373 - 2⁶ = 166480309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166480313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83240186 + 83240187.

It is an arithmetic number, because the mean of its divisors is an integer number (83240187).

Almost surely, 2^166480373 is an apocalyptic number.

It is an amenable number.

166480373 is a deficient number, since it is larger than the sum of its proper divisors (1).

166480373 is an equidigital number, since it uses as much as digits as its factorization.

166480373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 166480373 is about 12902.7273473479. The cubic root of 166480373 is about 550.1160889939.

The spelling of 166480373 in words is "one hundred sixty-six million, four hundred eighty thousand, three hundred seventy-three".