16268657496 has 256 divisors, whose sum is σ = 51732172800. Its totient is φ = 4149121536.

The previous prime is 16268657473. The next prime is 16268657507. The reversal of 16268657496 is 69475686261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10047775 + ... + 10049393.

It is an arithmetic number, because the mean of its divisors is an integer number (202078800).

Almost surely, 2^16268657496 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 16268657496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25866086400).

16268657496 is an abundant number, since it is smaller than the sum of its proper divisors (35463515304).

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

16268657496 is a wasteful number, since it uses less digits than its factorization.

16268657496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 1794 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 60.

It can be divided in two parts, 1626865 and 7496, that added together give a palindrome (1634361).

The spelling of 16268657496 in words is "sixteen billion, two hundred sixty-eight million, six hundred fifty-seven thousand, four hundred ninety-six".