16610215838112 has 144 divisors (see below), whose sum is σ = 50926145437440. Its totient is φ = 5105072687616.

The previous prime is 16610215838071. The next prime is 16610215838129. The reversal of 16610215838112 is 21183851201661.

16610215838112 is a `hidden beast` number, since 1 + 6 + 6 + 102 + 158 + 381 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 820089 + ... + 5821767.

It is an arithmetic number, because the mean of its divisors is an integer number (353653787760).

Almost surely, 2^{16610215838112} is an apocalyptic number.

16610215838112 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 16610215838112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25463072718720).

16610215838112 is an abundant number, since it is smaller than the sum of its proper divisors (34315929599328).

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

16610215838112 is a wasteful number, since it uses less digits than its factorization.

16610215838112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002595 (or 5002584 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 16610215838112 in words is "sixteen trillion, six hundred ten billion, two hundred fifteen million, eight hundred thirty-eight thousand, one hundred twelve".