16624388052220 has 96 divisors (see below), whose sum is σ = 37945748332800. Its totient is φ = 6081259244544.

The previous prime is 16624388052143. The next prime is 16624388052241. The reversal of 16624388052220 is 2225088342661.

It is a super-2 number, since 2×16624388052220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 315086082 + ... + 315138838.

It is an arithmetic number, because the mean of its divisors is an integer number (395268211800).

Almost surely, 2^{16624388052220} is an apocalyptic number.

16624388052220 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 16624388052220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18972874166400).

16624388052220 is an abundant number, since it is smaller than the sum of its proper divisors (21321360280580).

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

16624388052220 is a wasteful number, since it uses less digits than its factorization.

16624388052220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64007 (or 64005 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 16624388052220 in words is "sixteen trillion, six hundred twenty-four billion, three hundred eighty-eight million, fifty-two thousand, two hundred twenty".