16159968 has 72 divisors (see below), whose sum is σ = 50142456. Its totient is φ = 4896000.

The previous prime is 16159951. The next prime is 16159973. The reversal of 16159968 is 86995161.

16159968 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×16159968² = 522289131522048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618 + ... + 5718.

It is an arithmetic number, because the mean of its divisors is an integer number (696423).

Almost surely, 2^16159968 is an apocalyptic number.

16159968 is a gapful number since it is divisible by the number (18) 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 16159968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25071228).

16159968 is an abundant number, since it is smaller than the sum of its proper divisors (33982488).

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

16159968 is a wasteful number, since it uses less digits than its factorization.

16159968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128 (or 5117 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 16159968 is about 4019.9462682976. The cubic root of 16159968 is about 252.8212060937.

The spelling of 16159968 in words is "sixteen million, one hundred fifty-nine thousand, nine hundred sixty-eight".