1316764868 has 6 divisors (see below), whose sum is σ = 2304338526. Its totient is φ = 658382432.

The previous prime is 1316764861. The next prime is 1316764873. The reversal of 1316764868 is 8684676131.

It can be written as a sum of positive squares in only one way, i.e., 1123054144 + 193710724 = 33512^2 + 13918^2 .

It is not an unprimeable number, because it can be changed into a prime (1316764861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164595605 + ... + 164595612.

It is an arithmetic number, because the mean of its divisors is an integer number (384056421).

Almost surely, 2^1316764868 is an apocalyptic number.

It is an amenable number.

1316764868 is a deficient number, since it is larger than the sum of its proper divisors (987573658).

1316764868 is a wasteful number, since it uses less digits than its factorization.

1316764868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329191221 (or 329191219 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 1316764868 is about 36287.2548975532. The cubic root of 1316764868 is about 1096.0644120508.

The spelling of 1316764868 in words is "one billion, three hundred sixteen million, seven hundred sixty-four thousand, eight hundred sixty-eight".