16613466366654 has 96 divisors (see below), whose sum is σ = 38728177488000. Its totient is φ = 5131255372992.

The previous prime is 16613466366649. The next prime is 16613466366719. The reversal of 16613466366654 is 45666366431661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16613466366591 and 16613466366600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1885357 + ... + 6064775.

It is an arithmetic number, because the mean of its divisors is an integer number (403418515500).

Almost surely, 2^{16613466366654} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16613466366654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19364088744000).

16613466366654 is an abundant number, since it is smaller than the sum of its proper divisors (22114711121346).

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

16613466366654 is a wasteful number, since it uses less digits than its factorization.

16613466366654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179702 (or 4179699 counting only the distinct ones).

The product of its digits is 201553920, while the sum is 63.

The spelling of 16613466366654 in words is "sixteen trillion, six hundred thirteen billion, four hundred sixty-six million, three hundred sixty-six thousand, six hundred fifty-four".