16264988256 has 192 divisors, whose sum is σ = 48542457600. Its totient is φ = 4723353600.

The previous prime is 16264988239. The next prime is 16264988261. The reversal of 16264988256 is 65288946261.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16264988196 and 16264988205.

It is a congruent number.

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, 4254826 + ... + 4258646.

It is an arithmetic number, because the mean of its divisors is an integer number (252825300).

Almost surely, 2^16264988256 is an apocalyptic number.

16264988256 is a gapful number since it is divisible by the number (16) 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 16264988256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24271228800).

16264988256 is an abundant number, since it is smaller than the sum of its proper divisors (32277469344).

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

16264988256 is a wasteful number, since it uses less digits than its factorization.

16264988256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013 (or 4005 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 16264988256 in words is "sixteen billion, two hundred sixty-four million, nine hundred eighty-eight thousand, two hundred fifty-six".