16011799776 has 432 divisors, whose sum is σ = 56167020000. Its totient is φ = 4324368384.

The previous prime is 16011799751. The next prime is 16011799813. The reversal of 16011799776 is 67799711061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 35660800 + ... + 35661248.

It is an arithmetic number, because the mean of its divisors is an integer number (130016250).

Almost surely, 2^16011799776 is an apocalyptic number.

16011799776 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 16011799776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28083510000).

16011799776 is an abundant number, since it is smaller than the sum of its proper divisors (40155220224).

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

16011799776 is a wasteful number, since it uses less digits than its factorization.

16011799776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 1000188, while the sum is 54.

The spelling of 16011799776 in words is "sixteen billion, eleven million, seven hundred ninety-nine thousand, seven hundred seventy-six".