13660690651468 has 18 divisors (see below), whose sum is σ = 27809263112316. Its totient is φ = 5854581707688.

The previous prime is 13660690651463. The next prime is 13660690651471. The reversal of 13660690651468 is 86415609606631.

It is a super-2 number, since 2×13660690651468² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13660690651463) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 34848700446 + ... + 34848700837.

Almost surely, 2^{13660690651468} is an apocalyptic number.

It is an amenable number.

13660690651468 is an abundant number, since it is smaller than the sum of its proper divisors (14148572460848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13660690651468 is a wasteful number, since it uses less digits than its factorization.

13660690651468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69697401301 (or 69697401292 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 13660690651468 in words is "thirteen trillion, six hundred sixty billion, six hundred ninety million, six hundred fifty-one thousand, four hundred sixty-eight".