167199481 has 2 divisors, whose sum is σ = 167199482. Its totient is φ = 167199480.

The previous prime is 167199463. The next prime is 167199493. The reversal of 167199481 is 184991761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156250000 + 10949481 = 12500^2 + 3309^2 .

It is a cyclic number.

It is not a de Polignac number, because 167199481 - 2¹⁹ = 166675193 is a prime.

It is a super-2 number, since 2×167199481² = 55911332893338722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (167199401) 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, 83599740 + 83599741.

It is an arithmetic number, because the mean of its divisors is an integer number (83599741).

Almost surely, 2^167199481 is an apocalyptic number.

It is an amenable number.

167199481 is a deficient number, since it is larger than the sum of its proper divisors (1).

167199481 is an equidigital number, since it uses as much as digits as its factorization.

167199481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 46.

The square root of 167199481 is about 12930.5638314808. The cubic root of 167199481 is about 550.9070223867.

The spelling of 167199481 in words is "one hundred sixty-seven million, one hundred ninety-nine thousand, four hundred eighty-one".