16390966560 has 384 divisors, whose sum is σ = 55612085760. Its totient is φ = 4048551936.

The previous prime is 16390966541. The next prime is 16390966561. The reversal of 16390966560 is 6566909361.

It is not an unprimeable number, because it can be changed into a prime (16390966561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63777952 + ... + 63778208.

It is an arithmetic number, because the mean of its divisors is an integer number (144823140).

Almost surely, 2^16390966560 is an apocalyptic number.

16390966560 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 16390966560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27806042880).

16390966560 is an abundant number, since it is smaller than the sum of its proper divisors (39221119200).

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

16390966560 is a wasteful number, since it uses less digits than its factorization.

16390966560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 51.

The spelling of 16390966560 in words is "sixteen billion, three hundred ninety million, nine hundred sixty-six thousand, five hundred sixty".