16641605406360 has 512 divisors, whose sum is σ = 58369197818880. Its totient is φ = 3750961152000.

The previous prime is 16641605406353. The next prime is 16641605406457. The reversal of 16641605406360 is 6360450614661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1035755047 + ... + 1035771113.

It is an arithmetic number, because the mean of its divisors is an integer number (114002339490).

Almost surely, 2^{16641605406360} is an apocalyptic number.

16641605406360 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 16641605406360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29184598909440).

16641605406360 is an abundant number, since it is smaller than the sum of its proper divisors (41727592412520).

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

16641605406360 is a wasteful number, since it uses less digits than its factorization.

16641605406360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16667 (or 16663 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 16641605406360 in words is "sixteen trillion, six hundred forty-one billion, six hundred five million, four hundred six thousand, three hundred sixty".