16650320446254 has 128 divisors (see below), whose sum is σ = 38357983641600. Its totient is φ = 4765254295680.

The previous prime is 16650320446231. The next prime is 16650320446337. The reversal of 16650320446254 is 45264402305661.

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 63 ways as a sum of consecutive naturals, for example, 1844089012 + ... + 1844098040.

It is an arithmetic number, because the mean of its divisors is an integer number (299671747200).

Almost surely, 2^{16650320446254} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16650320446254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19178991820800).

16650320446254 is an abundant number, since it is smaller than the sum of its proper divisors (21707663195346).

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

16650320446254 is a wasteful number, since it uses less digits than its factorization.

16650320446254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13438.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 16650320446254 in words is "sixteen trillion, six hundred fifty billion, three hundred twenty million, four hundred forty-six thousand, two hundred fifty-four".