531216167 has 2 divisors, whose sum is σ = 531216168. Its totient is φ = 531216166.

The previous prime is 531216163. The next prime is 531216199. The reversal of 531216167 is 761612135.

It is an a-pointer prime, because the next prime (531216199) can be obtained adding 531216167 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531216167 - 2² = 531216163 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531216163) 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, 265608083 + 265608084.

It is an arithmetic number, because the mean of its divisors is an integer number (265608084).

Almost surely, 2^531216167 is an apocalyptic number.

531216167 is a deficient number, since it is larger than the sum of its proper divisors (1).

531216167 is an equidigital number, since it uses as much as digits as its factorization.

531216167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 531216167 is about 23048.1271907285. The cubic root of 531216167 is about 809.8857568899.

The spelling of 531216167 in words is "five hundred thirty-one million, two hundred sixteen thousand, one hundred sixty-seven".