1168334861 has 6 divisors (see below), whose sum is σ = 1210012362. Its totient is φ = 1128046640.

The previous prime is 1168334837. The next prime is 1168334879. The reversal of 1168334861 is 1684338611.

It can be written as a sum of positive squares in 3 ways, for example, as 246301636 + 922033225 = 15694^2 + 30365^2 .

It is not a de Polignac number, because 1168334861 - 2²² = 1164140557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168334821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 693770 + ... + 695451.

It is an arithmetic number, because the mean of its divisors is an integer number (201668727).

Almost surely, 2^1168334861 is an apocalyptic number.

It is an amenable number.

1168334861 is a deficient number, since it is larger than the sum of its proper divisors (41677501).

1168334861 is an equidigital number, since it uses as much as digits as its factorization.

1168334861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389279 (or 1389250 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 1168334861 is about 34180.9136946337. The cubic root of 1168334861 is about 1053.2281185187.

The spelling of 1168334861 in words is "one billion, one hundred sixty-eight million, three hundred thirty-four thousand, eight hundred sixty-one".