167241661 has 2 divisors, whose sum is σ = 167241662. Its totient is φ = 167241660.

The previous prime is 167241653. The next prime is 167241691. The reversal of 167241661 is 166142761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100100025 + 67141636 = 10005^2 + 8194^2 .

It is a cyclic number.

It is not a de Polignac number, because 167241661 - 2³ = 167241653 is a prime.

It is equal to p_9357352 and since 167241661 and 9357352 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167241611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83620830 + 83620831.

It is an arithmetic number, because the mean of its divisors is an integer number (83620831).

Almost surely, 2^167241661 is an apocalyptic number.

It is an amenable number.

167241661 is a deficient number, since it is larger than the sum of its proper divisors (1).

167241661 is an equidigital number, since it uses as much as digits as its factorization.

167241661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 167241661 is about 12932.1947479923. The cubic root of 167241661 is about 550.9533449078.

The spelling of 167241661 in words is "one hundred sixty-seven million, two hundred forty-one thousand, six hundred sixty-one".