167071481 has 2 divisors, whose sum is σ = 167071482. Its totient is φ = 167071480.

The previous prime is 167071477. The next prime is 167071483. The reversal of 167071481 is 184170761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103327225 + 63744256 = 10165^2 + 7984^2 .

It is a cyclic number.

It is not a de Polignac number, because 167071481 - 2² = 167071477 is a prime.

It is a super-2 number, since 2×167071481² = 55825759527066722, which contains 22 as substring.

Together with 167071483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167071483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83535740 + 83535741.

It is an arithmetic number, because the mean of its divisors is an integer number (83535741).

Almost surely, 2^167071481 is an apocalyptic number.

It is an amenable number.

167071481 is a deficient number, since it is larger than the sum of its proper divisors (1).

167071481 is an equidigital number, since it uses as much as digits as its factorization.

167071481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 167071481 is about 12925.6133703589. The cubic root of 167071481 is about 550.7664037263.

The spelling of 167071481 in words is "one hundred sixty-seven million, seventy-one thousand, four hundred eighty-one".