16447633860 has 192 divisors, whose sum is σ = 55953838080. Its totient is φ = 3526156800.

The previous prime is 16447633849. The next prime is 16447633877. The reversal of 16447633860 is 6833674461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 795777 + ... + 816183.

It is an arithmetic number, because the mean of its divisors is an integer number (291426240).

Almost surely, 2^16447633860 is an apocalyptic number.

16447633860 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 16447633860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27976919040).

16447633860 is an abundant number, since it is smaller than the sum of its proper divisors (39506204220).

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

16447633860 is a wasteful number, since it uses less digits than its factorization.

16447633860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20546 (or 20544 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 16447633860 in words is "sixteen billion, four hundred forty-seven million, six hundred thirty-three thousand, eight hundred sixty".