13667040786 has 32 divisors (see below), whose sum is σ = 31615331328. Its totient is φ = 3857821200.

The previous prime is 13667040763. The next prime is 13667040787. The reversal of 13667040786 is 68704076631.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13667040787) 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 15 ways as a sum of consecutive naturals, for example, 1956790 + ... + 1963761.

It is an arithmetic number, because the mean of its divisors is an integer number (987979104).

Almost surely, 2^13667040786 is an apocalyptic number.

13667040786 is an abundant number, since it is smaller than the sum of its proper divisors (17948290542).

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

13667040786 is a wasteful number, since it uses less digits than its factorization.

13667040786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920646.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 13667040786 in words is "thirteen billion, six hundred sixty-seven million, forty thousand, seven hundred eighty-six".