1168819345 has 8 divisors (see below), whose sum is σ = 1402857000. Its totient is φ = 934872960.

The previous prime is 1168819331. The next prime is 1168819361. The reversal of 1168819345 is 5439188611.

It is a Cunningham number, because it is equal to 34188²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 420742144 + 748077201 = 20512^2 + 27351^2 .

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

It is not a de Polignac number, because 1168819345 - 2⁷ = 1168819217 is a prime.

It is a super-2 number, since 2×1168819345² = 2732277322492458050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1168819295 and 1168819304.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 9531 + ... + 49279.

It is an arithmetic number, because the mean of its divisors is an integer number (175357125).

Almost surely, 2^1168819345 is an apocalyptic number.

It is an amenable number.

1168819345 is a deficient number, since it is larger than the sum of its proper divisors (234037655).

1168819345 is an equidigital number, since it uses as much as digits as its factorization.

1168819345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45635.

The product of its digits is 207360, while the sum is 46.

The square root of 1168819345 is about 34188.0000146250. Note that the first 4 decimals coincide. The cubic root of 1168819345 is about 1053.3736822813.

The spelling of 1168819345 in words is "one billion, one hundred sixty-eight million, eight hundred nineteen thousand, three hundred forty-five".