16799135616 has 160 divisors (see below), whose sum is σ = 52935331680. Its totient is φ = 5270261760.

The previous prime is 16799135609. The next prime is 16799135629. The reversal of 16799135616 is 61653199761.

It is a happy number.

16799135616 is a `hidden beast` number, since 1 + 6 + 7 + 9 + 9 + 13 + 5 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 128601 + ... + 223911.

It is an arithmetic number, because the mean of its divisors is an integer number (330845823).

Almost surely, 2^16799135616 is an apocalyptic number.

16799135616 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 16799135616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26467665840).

16799135616 is an abundant number, since it is smaller than the sum of its proper divisors (36136196064).

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

16799135616 is an equidigital number, since it uses as much as digits as its factorization.

16799135616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95354 (or 95333 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The spelling of 16799135616 in words is "sixteen billion, seven hundred ninety-nine million, one hundred thirty-five thousand, six hundred sixteen".