16396519776 has 192 divisors, whose sum is σ = 53050733568. Its totient is φ = 4318046208.

The previous prime is 16396519747. The next prime is 16396519787. The reversal of 16396519776 is 67791569361.

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 31 ways as a sum of consecutive naturals, for example, 11941426 + ... + 11942798.

It is an arithmetic number, because the mean of its divisors is an integer number (276305904).

Almost surely, 2^16396519776 is an apocalyptic number.

16396519776 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 16396519776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26525366784).

16396519776 is an abundant number, since it is smaller than the sum of its proper divisors (36654213792).

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

16396519776 is a wasteful number, since it uses less digits than its factorization.

16396519776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773 (or 2765 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 60.

The spelling of 16396519776 in words is "sixteen billion, three hundred ninety-six million, five hundred nineteen thousand, seven hundred seventy-six".