16894953400512 has 448 divisors, whose sum is σ = 50458771929600. Its totient is φ = 4944047800320.

The previous prime is 16894953400499. The next prime is 16894953400531. The reversal of 16894953400512 is 21500435949861.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11316110038 + ... + 11316111530.

Almost surely, 2^{16894953400512} is an apocalyptic number.

16894953400512 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 16894953400512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25229385964800).

16894953400512 is an abundant number, since it is smaller than the sum of its proper divisors (33563818529088).

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

16894953400512 is a wasteful number, since it uses less digits than its factorization.

16894953400512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544 (or 2534 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 16894953400512 in words is "sixteen trillion, eight hundred ninety-four billion, nine hundred fifty-three million, four hundred thousand, five hundred twelve".