1168631601158 has 8 divisors (see below), whose sum is σ = 2003368459152. Its totient is φ = 500842114776.

The previous prime is 1168631601113. The next prime is 1168631601167. The reversal of 1168631601158 is 8511061368611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1168631601158² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 41736842885 + ... + 41736842912.

It is an arithmetic number, because the mean of its divisors is an integer number (250421057394).

Almost surely, 2^{1168631601158} is an apocalyptic number.

1168631601158 is a deficient number, since it is larger than the sum of its proper divisors (834736857994).

1168631601158 is an equidigital number, since it uses as much as digits as its factorization.

1168631601158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83473685806.

The product of its (nonzero) digits is 207360, while the sum is 47.

Adding to 1168631601158 its reverse (8511061368611), we get a palindrome (9679692969769).

The spelling of 1168631601158 in words is "one trillion, one hundred sixty-eight billion, six hundred thirty-one million, six hundred one thousand, one hundred fifty-eight".