16028909568 has 360 divisors, whose sum is σ = 54101724768. Its totient is φ = 4477943808.

The previous prime is 16028909537. The next prime is 16028909573. The reversal of 16028909568 is 86590982061.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54706030 + ... + 54706322.

Almost surely, 2^16028909568 is an apocalyptic number.

16028909568 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 16028909568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27050862384).

16028909568 is an abundant number, since it is smaller than the sum of its proper divisors (38072815200).

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

16028909568 is an equidigital number, since it uses as much as digits as its factorization.

16028909568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 16028909568 in words is "sixteen billion, twenty-eight million, nine hundred nine thousand, five hundred sixty-eight".