13773582181616 has 20 divisors (see below), whose sum is σ = 26688063466224. Its totient is φ = 6886339996800.

The previous prime is 13773582181613. The next prime is 13773582181621. The reversal of 13773582181616 is 61618128537731.

It is a super-2 number, since 2×13773582181616² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13773582181613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27941405 + ... + 28430076.

Almost surely, 2^{13773582181616} is an apocalyptic number.

13773582181616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13773582181616 is a deficient number, since it is larger than the sum of its proper divisors (12914481284608).

13773582181616 is a wasteful number, since it uses less digits than its factorization.

13773582181616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56386760 (or 56386754 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 59.

The spelling of 13773582181616 in words is "thirteen trillion, seven hundred seventy-three billion, five hundred eighty-two million, one hundred eighty-one thousand, six hundred sixteen".