16620443202240 has 168 divisors, whose sum is σ = 57369407189328. Its totient is φ = 4416456775680.

The previous prime is 16620443202173. The next prime is 16620443202329. The reversal of 16620443202240 is 4220234402661.

16620443202240 is a `hidden beast` number, since 1 + 6 + 6 + 2 + 0 + 443 + 202 + 2 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16620443202195 and 16620443202204.

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, 9381051 + ... + 11011130.

Almost surely, 2^{16620443202240} is an apocalyptic number.

16620443202240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16620443202240 is an abundant number, since it is smaller than the sum of its proper divisors (40748963987088).

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

16620443202240 is a wasteful number, since it uses less digits than its factorization.

16620443202240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20392487 (or 20392474 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 16620443202240 in words is "sixteen trillion, six hundred twenty billion, four hundred forty-three million, two hundred two thousand, two hundred forty".