16366662144 has 320 divisors, whose sum is σ = 58630176000. Its totient is φ = 4400676864.

The previous prime is 16366662061. The next prime is 16366662173. The reversal of 16366662144 is 44126666361.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 16366662144.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1640082 + ... + 1650030.

It is an arithmetic number, because the mean of its divisors is an integer number (183219300).

Almost surely, 2^16366662144 is an apocalyptic number.

16366662144 is a gapful number since it is divisible by the number (14) 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 16366662144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29315088000).

16366662144 is an abundant number, since it is smaller than the sum of its proper divisors (42263513856).

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

16366662144 is an equidigital number, since it uses as much as digits as its factorization.

16366662144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000 (or 9978 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 16366662144 in words is "sixteen billion, three hundred sixty-six million, six hundred sixty-two thousand, one hundred forty-four".