16447966308480 has 512 divisors, whose sum is σ = 60577837079040. Its totient is φ = 3718335430656.

The previous prime is 16447966308463. The next prime is 16447966308503. The reversal of 16447966308480 is 8480366974461.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 448729834 + ... + 448766486.

It is an arithmetic number, because the mean of its divisors is an integer number (118316088045).

Almost surely, 2^{16447966308480} is an apocalyptic number.

16447966308480 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 16447966308480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30288918539520).

16447966308480 is an abundant number, since it is smaller than the sum of its proper divisors (44129870770560).

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

16447966308480 is a wasteful number, since it uses less digits than its factorization.

16447966308480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37048 (or 37036 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 66.

The spelling of 16447966308480 in words is "sixteen trillion, four hundred forty-seven billion, nine hundred sixty-six million, three hundred eight thousand, four hundred eighty".