1316112646 has 16 divisors (see below), whose sum is σ = 2013166080. Its totient is φ = 645118920.

The previous prime is 1316112599. The next prime is 1316112671. The reversal of 1316112646 is 6462116131.

It is a super-2 number, since 2×1316112646² = 3464304993922242632, which contains 22 as substring.

It is a congruent number.

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, 28111 + ... + 58501.

It is an arithmetic number, because the mean of its divisors is an integer number (125822880).

Almost surely, 2^1316112646 is an apocalyptic number.

1316112646 is a deficient number, since it is larger than the sum of its proper divisors (697053434).

1316112646 is a wasteful number, since it uses less digits than its factorization.

1316112646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30819.

The product of its digits is 5184, while the sum is 31.

The square root of 1316112646 is about 36278.2668549643. The cubic root of 1316112646 is about 1095.8834140599.

Adding to 1316112646 its reverse (6462116131), we get a palindrome (7778228777).

The spelling of 1316112646 in words is "one billion, three hundred sixteen million, one hundred twelve thousand, six hundred forty-six".