16212419584 has 99 divisors (see below), whose sum is σ = 34076325073. Its totient is φ = 7708946432.

The previous prime is 16212419549. The next prime is 16212419651. The reversal of 16212419584 is 48591421261.

The square root of 16212419584 is 127328.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14747673600 + 1464745984 = 121440^2 + 38272^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16212419584.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 93713322 + ... + 93713494.

Almost surely, 2^16212419584 is an apocalyptic number.

16212419584 is the 127328-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16212419584

16212419584 is an abundant number, since it is smaller than the sum of its proper divisors (17863905489).

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

16212419584 is an frugal number, since it uses more digits than its factorization.

16212419584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 198 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The spelling of 16212419584 in words is "sixteen billion, two hundred twelve million, four hundred nineteen thousand, five hundred eighty-four".