16105216662 has 128 divisors (see below), whose sum is σ = 39214212480. Its totient is φ = 4878766080.

The previous prime is 16105216661. The next prime is 16105216669. The reversal of 16105216662 is 26661250161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16105216661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4651612 + ... + 4655072.

It is an arithmetic number, because the mean of its divisors is an integer number (306361035).

Almost surely, 2^16105216662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16105216662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19607106240).

16105216662 is an abundant number, since it is smaller than the sum of its proper divisors (23108995818).

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

16105216662 is a wasteful number, since it uses less digits than its factorization.

16105216662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663 (or 3657 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 16105216662 in words is "sixteen billion, one hundred five million, two hundred sixteen thousand, six hundred sixty-two".