1162167641 has 2 divisors, whose sum is σ = 1162167642. Its totient is φ = 1162167640.

The previous prime is 1162167613. The next prime is 1162167739. The reversal of 1162167641 is 1467612611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 614841616 + 547326025 = 24796^2 + 23395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162167641 - 2¹⁰ = 1162166617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1162167241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581083820 + 581083821.

It is an arithmetic number, because the mean of its divisors is an integer number (581083821).

Almost surely, 2^1162167641 is an apocalyptic number.

It is an amenable number.

1162167641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162167641 is an equidigital number, since it uses as much as digits as its factorization.

1162167641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 1162167641 is about 34090.5799451989. The cubic root of 1162167641 is about 1051.3716438361.

The spelling of 1162167641 in words is "one billion, one hundred sixty-two million, one hundred sixty-seven thousand, six hundred forty-one".