13618666346132 has 12 divisors (see below), whose sum is σ = 23832962152020. Its totient is φ = 6809248588416.

The previous prime is 13618666346083. The next prime is 13618666346141. The reversal of 13618666346132 is 23164366681631.

It can be written as a sum of positive squares in 2 ways, for example, as 13431961121296 + 186705224836 = 3664964^2 + 432094^2 .

It is a super-2 number, since 2×13618666346132² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20783207 + ... + 21428462.

It is an arithmetic number, because the mean of its divisors is an integer number (1986080179335).

Almost surely, 2^{13618666346132} is an apocalyptic number.

It is an amenable number.

13618666346132 is a deficient number, since it is larger than the sum of its proper divisors (10214295805888).

13618666346132 is a wasteful number, since it uses less digits than its factorization.

13618666346132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42292330 (or 42292328 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 56.

The spelling of 13618666346132 in words is "thirteen trillion, six hundred eighteen billion, six hundred sixty-six million, three hundred forty-six thousand, one hundred thirty-two".