33361661197 has 2 divisors, whose sum is σ = 33361661198. Its totient is φ = 33361661196.

The previous prime is 33361661191. The next prime is 33361661227. The reversal of 33361661197 is 79116616333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33233654601 + 128006596 = 182301^2 + 11314^2 .

It is a cyclic number.

It is not a de Polignac number, because 33361661197 - 2¹⁵ = 33361628429 is a prime.

It is a super-2 number, since 2×33361661197² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33361661191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16680830598 + 16680830599.

It is an arithmetic number, because the mean of its divisors is an integer number (16680830599).

Almost surely, 2^33361661197 is an apocalyptic number.

It is an amenable number.

33361661197 is a deficient number, since it is larger than the sum of its proper divisors (1).

33361661197 is an equidigital number, since it uses as much as digits as its factorization.

33361661197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 46.

The spelling of 33361661197 in words is "thirty-three billion, three hundred sixty-one million, six hundred sixty-one thousand, one hundred ninety-seven".