16899139579392 has 800 divisors, whose sum is σ = 61138994425344. Its totient is φ = 4542577459200.

The previous prime is 16899139579379. The next prime is 16899139579447. The reversal of 16899139579392 is 29397593199861.

16899139579392 is a `hidden beast` number, since 1 + 6 + 8 + 9 + 9 + 1 + 3 + 9 + 579 + 39 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 407275767 + ... + 407317257.

Almost surely, 2^{16899139579392} is an apocalyptic number.

16899139579392 is a gapful number since it is divisible by the number (12) 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 16899139579392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30569497212672).

16899139579392 is an abundant number, since it is smaller than the sum of its proper divisors (44239854845952).

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

16899139579392 is an equidigital number, since it uses as much as digits as its factorization.

16899139579392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41612 (or 41587 counting only the distinct ones).

The product of its digits is 1785641760, while the sum is 81.

The spelling of 16899139579392 in words is "sixteen trillion, eight hundred ninety-nine billion, one hundred thirty-nine million, five hundred seventy-nine thousand, three hundred ninety-two".