16599790080 has 600 divisors, whose sum is σ = 63386303508. Its totient is φ = 4151181312.

The previous prime is 16599790033. The next prime is 16599790139. The reversal of 16599790080 is 8009799561.

It can be written as a sum of positive squares in 6 ways, for example, as 9059993856 + 7539796224 = 95184^2 + 86832^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16599789999 and 16599790026.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 59926902 + ... + 59927178.

Almost surely, 2^16599790080 is an apocalyptic number.

16599790080 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 16599790080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31693151754).

16599790080 is an abundant number, since it is smaller than the sum of its proper divisors (46786513428).

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

16599790080 is an equidigital number, since it uses as much as digits as its factorization.

16599790080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The spelling of 16599790080 in words is "sixteen billion, five hundred ninety-nine million, seven hundred ninety thousand, eighty".