13661734522146 has 16 divisors (see below), whose sum is σ = 27323666901984. Its totient is φ = 4553878531104.

The previous prime is 13661734522141. The next prime is 13661734522151. The reversal of 13661734522146 is 64122543716631.

It is an interprime number because it is at equal distance from previous prime (13661734522141) and next prime (13661734522151).

It is not an unprimeable number, because it can be changed into a prime (13661734522141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7338796 + ... + 9010071.

It is an arithmetic number, because the mean of its divisors is an integer number (1707729181374).

Almost surely, 2^{13661734522146} is an apocalyptic number.

13661734522146 is an abundant number, since it is smaller than the sum of its proper divisors (13661932379838).

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

13661734522146 is a wasteful number, since it uses less digits than its factorization.

13661734522146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16488145.

The product of its digits is 4354560, while the sum is 51.

The spelling of 13661734522146 in words is "thirteen trillion, six hundred sixty-one billion, seven hundred thirty-four million, five hundred twenty-two thousand, one hundred forty-six".