16893514512 has 120 divisors (see below), whose sum is σ = 54557353344. Its totient is φ = 4779827712.

The previous prime is 16893514487. The next prime is 16893514523. The reversal of 16893514512 is 21541539861.

It is a happy number.

16893514512 is a `hidden beast` number, since 1 + 6 + 89 + 3 + 51 + 4 + 512 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22468 + ... + 185180.

Almost surely, 2^16893514512 is an apocalyptic number.

16893514512 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 16893514512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27278676672).

16893514512 is an abundant number, since it is smaller than the sum of its proper divisors (37663838832).

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

16893514512 is a wasteful number, since it uses less digits than its factorization.

16893514512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162837 (or 162828 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 16893514512 in words is "sixteen billion, eight hundred ninety-three million, five hundred fourteen thousand, five hundred twelve".