16623360000 has 960 divisors, whose sum is σ = 68057589600. Its totient is φ = 3981312000.

The previous prime is 16623359999. The next prime is 16623360029. The reversal of 16623360000 is 6332661.

16623360000 is a `hidden beast` number, since 1 + 6 + 623 + 36 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 449279982 + ... + 449280018.

Almost surely, 2^16623360000 is an apocalyptic number.

16623360000 is a gapful number since it is divisible by the number (10) 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 16623360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34028794800).

16623360000 is an abundant number, since it is smaller than the sum of its proper divisors (51434229600).

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

16623360000 is an equidigital number, since it uses as much as digits as its factorization.

16623360000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 16623360000 its reverse (6332661), we get a palindrome (16629692661).

The spelling of 16623360000 in words is "sixteen billion, six hundred twenty-three million, three hundred sixty thousand".