16899954950400 has 432 divisors, whose sum is σ = 57519022796928. Its totient is φ = 4366614528000.

The previous prime is 16899954950387. The next prime is 16899954950429. The reversal of 16899954950400 is 405945999861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 171157045 + ... + 171255755.

It is an arithmetic number, because the mean of its divisors is an integer number (133145886104).

Almost surely, 2^{16899954950400} is an apocalyptic number.

16899954950400 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 16899954950400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28759511398464).

16899954950400 is an abundant number, since it is smaller than the sum of its proper divisors (40619067846528).

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

16899954950400 is a wasteful number, since it uses less digits than its factorization.

16899954950400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99018 (or 98999 counting only the distinct ones).

The product of its (nonzero) digits is 125971200, while the sum is 69.

The spelling of 16899954950400 in words is "sixteen trillion, eight hundred ninety-nine billion, nine hundred fifty-four million, nine hundred fifty thousand, four hundred".