16695802816 has 336 divisors, whose sum is σ = 46262787840. Its totient is φ = 5790597120.

The previous prime is 16695802813. The next prime is 16695802817. The reversal of 16695802816 is 61820859661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16695802811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27059340 + ... + 27059956.

Almost surely, 2^16695802816 is an apocalyptic number.

16695802816 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 16695802816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23131393920).

16695802816 is an abundant number, since it is smaller than the sum of its proper divisors (29566985024).

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

16695802816 is a wasteful number, since it uses less digits than its factorization.

16695802816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 16695802816 in words is "sixteen billion, six hundred ninety-five million, eight hundred two thousand, eight hundred sixteen".