16390584390 has 16 divisors (see below), whose sum is σ = 39337402608. Its totient is φ = 4370822496.

The previous prime is 16390584367. The next prime is 16390584407. The reversal of 16390584390 is 9348509361.

16390584390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273176377 + ... + 273176436.

It is an arithmetic number, because the mean of its divisors is an integer number (2458587663).

Almost surely, 2^16390584390 is an apocalyptic number.

16390584390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16390584390 is an abundant number, since it is smaller than the sum of its proper divisors (22946818218).

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

16390584390 is a wasteful number, since it uses less digits than its factorization.

16390584390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546352823.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 16390584390 in words is "sixteen billion, three hundred ninety million, five hundred eighty-four thousand, three hundred ninety".