16212110243660 has 96 divisors (see below), whose sum is σ = 36354390589440. Its totient is φ = 6058216910592.

The previous prime is 16212110243639. The next prime is 16212110243669. The reversal of 16212110243660 is 6634201121261.

It is a self number, because there is not a number n which added to its sum of digits gives 16212110243660.

It is not an unprimeable number, because it can be changed into a prime (16212110243669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 531651374 + ... + 531681866.

It is an arithmetic number, because the mean of its divisors is an integer number (378691568640).

Almost surely, 2^{16212110243660} is an apocalyptic number.

16212110243660 is a gapful number since it is divisible by the number (10) 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 16212110243660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18177195294720).

16212110243660 is an abundant number, since it is smaller than the sum of its proper divisors (20142280345780).

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

16212110243660 is a wasteful number, since it uses less digits than its factorization.

16212110243660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57447 (or 57445 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 16212110243660 in words is "sixteen trillion, two hundred twelve billion, one hundred ten million, two hundred forty-three thousand, six hundred sixty".