1367681768 has 16 divisors (see below), whose sum is σ = 2564809380. Its totient is φ = 683732608.

The previous prime is 1367681767. The next prime is 1367681771. The reversal of 1367681768 is 8671867631.

It can be written as a sum of positive squares in 2 ways, for example, as 1296144004 + 71537764 = 36002^2 + 8458^2 .

It is not an unprimeable number, because it can be changed into a prime (1367681767) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 71780 + ... + 88812.

Almost surely, 2^1367681768 is an apocalyptic number.

It is an amenable number.

1367681768 is a deficient number, since it is larger than the sum of its proper divisors (1197127612).

1367681768 is a wasteful number, since it uses less digits than its factorization.

1367681768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27076 (or 27072 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The square root of 1367681768 is about 36982.1817636548. The cubic root of 1367681768 is about 1110.0137346459.

The spelling of 1367681768 in words is "one billion, three hundred sixty-seven million, six hundred eighty-one thousand, seven hundred sixty-eight".