166300997 has 2 divisors, whose sum is σ = 166300998. Its totient is φ = 166300996.

The previous prime is 166300951. The next prime is 166301027. The reversal of 166300997 is 799003661.

It is a happy number.

166300997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163993636 + 2307361 = 12806^2 + 1519^2 .

It is an emirp because it is prime and its reverse (799003661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166300997 - 2⁶ = 166300933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166303997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83150498 + 83150499.

It is an arithmetic number, because the mean of its divisors is an integer number (83150499).

Almost surely, 2^166300997 is an apocalyptic number.

It is an amenable number.

166300997 is a deficient number, since it is larger than the sum of its proper divisors (1).

166300997 is an equidigital number, since it uses as much as digits as its factorization.

166300997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 166300997 is about 12895.7743854334. The cubic root of 166300997 is about 549.9184419010.

The spelling of 166300997 in words is "one hundred sixty-six million, three hundred thousand, nine hundred ninety-seven".