16390968 has 64 divisors (see below), whose sum is σ = 45688320. Its totient is φ = 4857600.

The previous prime is 16390961. The next prime is 16390993. The reversal of 16390968 is 86909361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16390961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11748 + ... + 13068.

It is an arithmetic number, because the mean of its divisors is an integer number (713880).

Almost surely, 2^16390968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16390968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22844160).

16390968 is an abundant number, since it is smaller than the sum of its proper divisors (29297352).

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

16390968 is a wasteful number, since it uses less digits than its factorization.

16390968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 16390968 is about 4048.5760459697. The cubic root of 16390968 is about 254.0201691054.

The spelling of 16390968 in words is "sixteen million, three hundred ninety thousand, nine hundred sixty-eight".