5661167033 has 2 divisors, whose sum is σ = 5661167034. Its totient is φ = 5661167032.

The previous prime is 5661167023. The next prime is 5661167081. The reversal of 5661167033 is 3307611665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5456333689 + 204833344 = 73867^2 + 14312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5661167033 is a prime.

It is not a weakly prime, because it can be changed into another prime (5661167003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830583516 + 2830583517.

It is an arithmetic number, because the mean of its divisors is an integer number (2830583517).

Almost surely, 2^5661167033 is an apocalyptic number.

It is an amenable number.

5661167033 is a deficient number, since it is larger than the sum of its proper divisors (1).

5661167033 is an equidigital number, since it uses as much as digits as its factorization.

5661167033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 5661167033 is about 75240.7272226950. The cubic root of 5661167033 is about 1782.2501351481.

Adding to 5661167033 its reverse (3307611665), we get a palindrome (8968778698).

The spelling of 5661167033 in words is "five billion, six hundred sixty-one million, one hundred sixty-seven thousand, thirty-three".