16619389424 has 20 divisors (see below), whose sum is σ = 35127346200. Its totient is φ = 7554267840.

The previous prime is 16619389403. The next prime is 16619389439. The reversal of 16619389424 is 42498391661.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47213999 + ... + 47214350.

It is an arithmetic number, because the mean of its divisors is an integer number (1756367310).

Almost surely, 2^16619389424 is an apocalyptic number.

It is an amenable number.

16619389424 is an abundant number, since it is smaller than the sum of its proper divisors (18507956776).

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

16619389424 is a wasteful number, since it uses less digits than its factorization.

16619389424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94428368 (or 94428362 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The spelling of 16619389424 in words is "sixteen billion, six hundred nineteen million, three hundred eighty-nine thousand, four hundred twenty-four".