16219588428 has 36 divisors (see below), whose sum is σ = 41245036560. Its totient is φ = 5374153056.

The previous prime is 16219588421. The next prime is 16219588447. The reversal of 16219588428 is 82488591261.

16219588428 is a `hidden beast` number, since 1 + 6 + 2 + 19 + 588 + 42 + 8 = 666.

16219588428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×16219588428² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16219588421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1342923 + ... + 1354946.

It is an arithmetic number, because the mean of its divisors is an integer number (1145695460).

Almost surely, 2^16219588428 is an apocalyptic number.

16219588428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16219588428 is an abundant number, since it is smaller than the sum of its proper divisors (25025448132).

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

16219588428 is a wasteful number, since it uses less digits than its factorization.

16219588428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698046 (or 2698041 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The spelling of 16219588428 in words is "sixteen billion, two hundred nineteen million, five hundred eighty-eight thousand, four hundred twenty-eight".