16806799296 has 672 divisors, whose sum is σ = 62637619200. Its totient is φ = 4389396480.

The previous prime is 16806799259. The next prime is 16806799309. The reversal of 16806799296 is 69299760861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49871640 + ... + 49871976.

Almost surely, 2^16806799296 is an apocalyptic number.

16806799296 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 16806799296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31318809600).

16806799296 is an abundant number, since it is smaller than the sum of its proper divisors (45830819904).

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

16806799296 is a wasteful number, since it uses less digits than its factorization.

16806799296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 16806799296 in words is "sixteen billion, eight hundred six million, seven hundred ninety-nine thousand, two hundred ninety-six".