16978552360 has 128 divisors (see below), whose sum is σ = 47714365440. Its totient is φ = 5282438400.

The previous prime is 16978552319. The next prime is 16978552373. The reversal of 16978552360 is 6325587961.

It is a junction number, because it is equal to n+sod(n) for n = 16978552298 and 16978552307.

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, 1803265 + ... + 1812655.

It is an arithmetic number, because the mean of its divisors is an integer number (372768480).

Almost surely, 2^16978552360 is an apocalyptic number.

16978552360 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 16978552360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23857182720).

16978552360 is an abundant number, since it is smaller than the sum of its proper divisors (30735813080).

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

16978552360 is a wasteful number, since it uses less digits than its factorization.

16978552360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007 (or 10003 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 16978552360 in words is "sixteen billion, nine hundred seventy-eight million, five hundred fifty-two thousand, three hundred sixty".