16546447511412 has 192 divisors, whose sum is σ = 48435441600000. Its totient is φ = 4280053893120.

The previous prime is 16546447511401. The next prime is 16546447511497. The reversal of 16546447511412 is 21411574464561.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 22891714 + ... + 23603462.

It is an arithmetic number, because the mean of its divisors is an integer number (252267925000).

Almost surely, 2^{16546447511412} is an apocalyptic number.

16546447511412 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 16546447511412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24217720800000).

16546447511412 is an abundant number, since it is smaller than the sum of its proper divisors (31888994088588).

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

16546447511412 is a wasteful number, since it uses less digits than its factorization.

16546447511412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712186 (or 712184 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The spelling of 16546447511412 in words is "sixteen trillion, five hundred forty-six billion, four hundred forty-seven million, five hundred eleven thousand, four hundred twelve".