626231167201 has 2 divisors, whose sum is σ = 626231167202. Its totient is φ = 626231167200.

The previous prime is 626231167169. The next prime is 626231167259. The reversal of 626231167201 is 102761132626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365849571025 + 260381596176 = 604855^2 + 510276^2 .

It is a cyclic number.

It is not a de Polignac number, because 626231167201 - 2⁵ = 626231167169 is a prime.

It is not a weakly prime, because it can be changed into another prime (626231167801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313115583600 + 313115583601.

It is an arithmetic number, because the mean of its divisors is an integer number (313115583601).

Almost surely, 2^626231167201 is an apocalyptic number.

It is an amenable number.

626231167201 is a deficient number, since it is larger than the sum of its proper divisors (1).

626231167201 is an equidigital number, since it uses as much as digits as its factorization.

626231167201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

Adding to 626231167201 its reverse (102761132626), we get a palindrome (728992299827).

The spelling of 626231167201 in words is "six hundred twenty-six billion, two hundred thirty-one million, one hundred sixty-seven thousand, two hundred one".