16616163366576 has 120 divisors (see below), whose sum is σ = 46975006817856. Its totient is φ = 5482433203200.

The previous prime is 16616163366563. The next prime is 16616163366581. The reversal of 16616163366576 is 67566336161661.

16616163366576 is a `hidden beast` number, since 1 + 6 + 6 + 1 + 616 + 3 + 3 + 6 + 6 + 5 + 7 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55598121 + ... + 55896183.

Almost surely, 2^{16616163366576} is an apocalyptic number.

16616163366576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16616163366576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23487503408928).

16616163366576 is an abundant number, since it is smaller than the sum of its proper divisors (30358843451280).

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

16616163366576 is a wasteful number, since it uses less digits than its factorization.

16616163366576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302011 (or 302002 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 63.

The spelling of 16616163366576 in words is "sixteen trillion, six hundred sixteen billion, one hundred sixty-three million, three hundred sixty-six thousand, five hundred seventy-six".