536360631161 has 4 divisors (see below), whose sum is σ = 536989425252. Its totient is φ = 535731837072.

The previous prime is 536360631139. The next prime is 536360631167. The reversal of 536360631161 is 161136063635.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 267243505936 + 269117125225 = 516956^2 + 518765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-536360631161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (536360631167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314395766 + ... + 314397471.

It is an arithmetic number, because the mean of its divisors is an integer number (134247356313).

Almost surely, 2^536360631161 is an apocalyptic number.

It is an amenable number.

536360631161 is a deficient number, since it is larger than the sum of its proper divisors (628794091).

536360631161 is an equidigital number, since it uses as much as digits as its factorization.

536360631161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628794090.

The product of its (nonzero) digits is 174960, while the sum is 41.

Adding to 536360631161 its reverse (161136063635), we get a palindrome (697496694796).

The spelling of 536360631161 in words is "five hundred thirty-six billion, three hundred sixty million, six hundred thirty-one thousand, one hundred sixty-one".