1316664344 has 8 divisors (see below), whose sum is σ = 2468745660. Its totient is φ = 658332168.

The previous prime is 1316664341. The next prime is 1316664353. The reversal of 1316664344 is 4434666131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1316664298 and 1316664307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316664341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82291514 + ... + 82291529.

Almost surely, 2^1316664344 is an apocalyptic number.

It is an amenable number.

1316664344 is a deficient number, since it is larger than the sum of its proper divisors (1152081316).

1316664344 is a wasteful number, since it uses less digits than its factorization.

1316664344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164583049 (or 164583045 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 1316664344 is about 36285.8697566973. The cubic root of 1316664344 is about 1096.0365195532.

The spelling of 1316664344 in words is "one billion, three hundred sixteen million, six hundred sixty-four thousand, three hundred forty-four".