166763341 has 2 divisors, whose sum is σ = 166763342. Its totient is φ = 166763340.

The previous prime is 166763339. The next prime is 166763347. The reversal of 166763341 is 143367661.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162945225 + 3818116 = 12765^2 + 1954^2 .

It is an emirp because it is prime and its reverse (143367661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166763341 - 2¹ = 166763339 is a prime.

Together with 166763339, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 166763341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166763347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83381670 + 83381671.

It is an arithmetic number, because the mean of its divisors is an integer number (83381671).

Almost surely, 2^166763341 is an apocalyptic number.

It is an amenable number.

166763341 is a deficient number, since it is larger than the sum of its proper divisors (1).

166763341 is an equidigital number, since it uses as much as digits as its factorization.

166763341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 166763341 is about 12913.6881253962. The cubic root of 166763341 is about 550.4275914545.

The spelling of 166763341 in words is "one hundred sixty-six million, seven hundred sixty-three thousand, three hundred forty-one".