167231641 has 2 divisors, whose sum is σ = 167231642. Its totient is φ = 167231640.

The previous prime is 167231633. The next prime is 167231657. The reversal of 167231641 is 146132761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151191616 + 16040025 = 12296^2 + 4005^2 .

It is an emirp because it is prime and its reverse (146132761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 167231641 - 2³ = 167231633 is a prime.

It is not a weakly prime, because it can be changed into another prime (167231611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83615820 + 83615821.

It is an arithmetic number, because the mean of its divisors is an integer number (83615821).

Almost surely, 2^167231641 is an apocalyptic number.

It is an amenable number.

167231641 is a deficient number, since it is larger than the sum of its proper divisors (1).

167231641 is an equidigital number, since it uses as much as digits as its factorization.

167231641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 167231641 is about 12931.8073369502. The cubic root of 167231641 is about 550.9423415434.

The spelling of 167231641 in words is "one hundred sixty-seven million, two hundred thirty-one thousand, six hundred forty-one".