33201200161 has 2 divisors, whose sum is σ = 33201200162. Its totient is φ = 33201200160.

The previous prime is 33201200117. The next prime is 33201200183. The reversal of 33201200161 is 16100210233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23052652561 + 10148547600 = 151831^2 + 100740^2 .

It is an emirp because it is prime and its reverse (16100210233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33201200161 - 2¹¹ = 33201198113 is a prime.

It is a super-2 number, since 2×33201200161² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33201260161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16600600080 + 16600600081.

It is an arithmetic number, because the mean of its divisors is an integer number (16600600081).

Almost surely, 2^33201200161 is an apocalyptic number.

It is an amenable number.

33201200161 is a deficient number, since it is larger than the sum of its proper divisors (1).

33201200161 is an equidigital number, since it uses as much as digits as its factorization.

33201200161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33201200161 its reverse (16100210233), we get a palindrome (49301410394).

The spelling of 33201200161 in words is "thirty-three billion, two hundred one million, two hundred thousand, one hundred sixty-one".