16899269639616 has 336 divisors, whose sum is σ = 59770196740800. Its totient is φ = 4445487415296.

The previous prime is 16899269639513. The next prime is 16899269639699. The reversal of 16899269639616 is 61693696299861.

16899269639616 is a `hidden beast` number, since 1 + 6 + 89 + 92 + 69 + 6 + 396 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19975420 + ... + 20804228.

It is an arithmetic number, because the mean of its divisors is an integer number (177887490300).

Almost surely, 2^{16899269639616} is an apocalyptic number.

16899269639616 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 16899269639616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29885098370400).

16899269639616 is an abundant number, since it is smaller than the sum of its proper divisors (42870927101184).

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

16899269639616 is a wasteful number, since it uses less digits than its factorization.

16899269639616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829236 (or 829223 counting only the distinct ones).

The product of its digits is 2448880128, while the sum is 81.

The spelling of 16899269639616 in words is "sixteen trillion, eight hundred ninety-nine billion, two hundred sixty-nine million, six hundred thirty-nine thousand, six hundred sixteen".