16249159680 has 256 divisors, whose sum is σ = 56018269440. Its totient is φ = 3998220288.

The previous prime is 16249159643. The next prime is 16249159681. The reversal of 16249159680 is 8695194261.

It is a tau number, because it is divible by the number of its divisors (256).

It is a super-2 number, since 2×16249159680² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16249159681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6388489 + ... + 6391031.

It is an arithmetic number, because the mean of its divisors is an integer number (218821365).

Almost surely, 2^16249159680 is an apocalyptic number.

16249159680 is a gapful number since it is divisible by the number (10) 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 16249159680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28009134720).

16249159680 is an abundant number, since it is smaller than the sum of its proper divisors (39769109760).

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

16249159680 is an equidigital number, since it uses as much as digits as its factorization.

16249159680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 16249159680 in words is "sixteen billion, two hundred forty-nine million, one hundred fifty-nine thousand, six hundred eighty".