166211003293 has 2 divisors, whose sum is σ = 166211003294. Its totient is φ = 166211003292.

The previous prime is 166211003237. The next prime is 166211003363. The reversal of 166211003293 is 392300112661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133416328644 + 32794674649 = 365262^2 + 181093^2 .

It is an emirp because it is prime and its reverse (392300112661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166211003293 - 2³³ = 157621068701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166211004293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83105501646 + 83105501647.

It is an arithmetic number, because the mean of its divisors is an integer number (83105501647).

Almost surely, 2^166211003293 is an apocalyptic number.

It is an amenable number.

166211003293 is a deficient number, since it is larger than the sum of its proper divisors (1).

166211003293 is an equidigital number, since it uses as much as digits as its factorization.

166211003293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 166211003293 in words is "one hundred sixty-six billion, two hundred eleven million, three thousand, two hundred ninety-three".