33166605001 has 2 divisors, whose sum is σ = 33166605002. Its totient is φ = 33166605000.

The previous prime is 33166604993. The next prime is 33166605007. The reversal of 33166605001 is 10050666133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28198469776 + 4968135225 = 167924^2 + 70485^2 .

It is an emirp because it is prime and its reverse (10050666133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33166605001 - 2³ = 33166604993 is a prime.

It is a super-2 number, since 2×33166605001² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33166605007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16583302500 + 16583302501.

It is an arithmetic number, because the mean of its divisors is an integer number (16583302501).

Almost surely, 2^33166605001 is an apocalyptic number.

It is an amenable number.

33166605001 is a deficient number, since it is larger than the sum of its proper divisors (1).

33166605001 is an equidigital number, since it uses as much as digits as its factorization.

33166605001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 33166605001 in words is "thirty-three billion, one hundred sixty-six million, six hundred five thousand, one".