1311160668 has 24 divisors (see below), whose sum is σ = 3067373568. Its totient is φ = 435910896.

The previous prime is 1311160663. The next prime is 1311160681. The reversal of 1311160668 is 8660611131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311160661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138046 + ... + 147237.

It is an arithmetic number, because the mean of its divisors is an integer number (127807232).

Almost surely, 2^1311160668 is an apocalyptic number.

It is an amenable number.

1311160668 is an abundant number, since it is smaller than the sum of its proper divisors (1756212900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311160668 is a wasteful number, since it uses less digits than its factorization.

1311160668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285673 (or 285671 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1311160668 is about 36209.9526097453. The cubic root of 1311160668 is about 1094.5072372614.

Adding to 1311160668 its reverse (8660611131), we get a palindrome (9971771799).

The spelling of 1311160668 in words is "one billion, three hundred eleven million, one hundred sixty thousand, six hundred sixty-eight".