16662117430050 has 288 divisors, whose sum is σ = 46147525744320. Its totient is φ = 3965075251200.

The previous prime is 16662117429983. The next prime is 16662117430051. The reversal of 16662117430050 is 5003471126661.

It is a junction number, because it is equal to n+sod(n) for n = 16662117429984 and 16662117430011.

It is not an unprimeable number, because it can be changed into a prime (16662117430051) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 98186074 + ... + 98355626.

It is an arithmetic number, because the mean of its divisors is an integer number (160234464390).

Almost surely, 2^{16662117430050} is an apocalyptic number.

16662117430050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16662117430050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23073762872160).

16662117430050 is an abundant number, since it is smaller than the sum of its proper divisors (29485408314270).

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

16662117430050 is a wasteful number, since it uses less digits than its factorization.

16662117430050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169686 (or 169652 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 16662117430050 in words is "sixteen trillion, six hundred sixty-two billion, one hundred seventeen million, four hundred thirty thousand, fifty".