1316667673556 has 12 divisors (see below), whose sum is σ = 2330057962260. Its totient is φ = 650936827200.

The previous prime is 1316667673487. The next prime is 1316667673597. The reversal of 1316667673556 is 6553767666131.

It can be written as a sum of positive squares in 2 ways, for example, as 161330755600 + 1155336917956 = 401660^2 + 1074866^2 .

It is a super-2 number, since 2×1316667673556² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849251995 + ... + 1849252706.

It is an arithmetic number, because the mean of its divisors is an integer number (194171496855).

Almost surely, 2^{1316667673556} is an apocalyptic number.

It is an amenable number.

1316667673556 is a deficient number, since it is larger than the sum of its proper divisors (1013390288704).

1316667673556 is a wasteful number, since it uses less digits than its factorization.

1316667673556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698504794 (or 3698504792 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 62.

The spelling of 1316667673556 in words is "one trillion, three hundred sixteen billion, six hundred sixty-seven million, six hundred seventy-three thousand, five hundred fifty-six".