16942578912 has 288 divisors, whose sum is σ = 57220660224. Its totient is φ = 4654540800.

The previous prime is 16942578907. The next prime is 16942578929. The reversal of 16942578912 is 21987524961.

It is a happy number.

16942578912 is a `hidden beast` number, since 1 + 69 + 4 + 2 + 578 + 9 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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, 5867133 + ... + 5870019.

It is an arithmetic number, because the mean of its divisors is an integer number (198682848).

Almost surely, 2^16942578912 is an apocalyptic number.

16942578912 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 16942578912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28610330112).

16942578912 is an abundant number, since it is smaller than the sum of its proper divisors (40278081312).

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

16942578912 is a wasteful number, since it uses less digits than its factorization.

16942578912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022 (or 3011 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 16942578912 in words is "sixteen billion, nine hundred forty-two million, five hundred seventy-eight thousand, nine hundred twelve".