8167231481 has 2 divisors, whose sum is σ = 8167231482. Its totient is φ = 8167231480.

The previous prime is 8167231469. The next prime is 8167231493. The reversal of 8167231481 is 1841327618.

It is a balanced prime because it is at equal distance from previous prime (8167231469) and next prime (8167231493).

It can be written as a sum of positive squares in only one way, i.e., 7123360000 + 1043871481 = 84400^2 + 32309^2 .

It is a cyclic number.

It is not a de Polignac number, because 8167231481 - 2⁶ = 8167231417 is a prime.

It is a super-2 number, since 2×8167231481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8167231421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4083615740 + 4083615741.

It is an arithmetic number, because the mean of its divisors is an integer number (4083615741).

Almost surely, 2^8167231481 is an apocalyptic number.

It is an amenable number.

8167231481 is a deficient number, since it is larger than the sum of its proper divisors (1).

8167231481 is an equidigital number, since it uses as much as digits as its factorization.

8167231481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 8167231481 is about 90372.7363810569. The cubic root of 8167231481 is about 2013.8399635404.

The spelling of 8167231481 in words is "eight billion, one hundred sixty-seven million, two hundred thirty-one thousand, four hundred eighty-one".