5601166531 has 2 divisors, whose sum is σ = 5601166532. Its totient is φ = 5601166530.

The previous prime is 5601166513. The next prime is 5601166547. The reversal of 5601166531 is 1356611065.

Together with previous prime (5601166513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5601166531 - 2⁹ = 5601166019 is a prime.

It is a super-2 number, since 2×5601166531² = 62746133015989147922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5601466531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800583265 + 2800583266.

It is an arithmetic number, because the mean of its divisors is an integer number (2800583266).

Almost surely, 2^5601166531 is an apocalyptic number.

5601166531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5601166531 is an equidigital number, since it uses as much as digits as its factorization.

5601166531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 5601166531 is about 74840.9415427144. The cubic root of 5601166531 is about 1775.9313005842.

Adding to 5601166531 its reverse (1356611065), we get a palindrome (6957777596).

The spelling of 5601166531 in words is "five billion, six hundred one million, one hundred sixty-six thousand, five hundred thirty-one".