536234131661 has 2 divisors, whose sum is σ = 536234131662. Its totient is φ = 536234131660.

The previous prime is 536234131639. The next prime is 536234131663. The reversal of 536234131661 is 166131432635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377825355625 + 158408776036 = 614675^2 + 398006^2 .

It is a cyclic number.

It is not a de Polignac number, because 536234131661 - 2⁶ = 536234131597 is a prime.

Together with 536234131663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536234131663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268117065830 + 268117065831.

It is an arithmetic number, because the mean of its divisors is an integer number (268117065831).

Almost surely, 2^536234131661 is an apocalyptic number.

It is an amenable number.

536234131661 is a deficient number, since it is larger than the sum of its proper divisors (1).

536234131661 is an equidigital number, since it uses as much as digits as its factorization.

536234131661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The spelling of 536234131661 in words is "five hundred thirty-six billion, two hundred thirty-four million, one hundred thirty-one thousand, six hundred sixty-one".