16389630324 has 36 divisors (see below), whose sum is σ = 42211033956. Its totient is φ = 5360130048.

The previous prime is 16389630319. The next prime is 16389630349. The reversal of 16389630324 is 42303698361.

16389630324 is a `hidden beast` number, since 1 + 6 + 3 + 8 + 9 + 630 + 3 + 2 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6198727824 + 10190902500 = 78732^2 + 100950^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 16389630324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4293069 + ... + 4296884.

It is an arithmetic number, because the mean of its divisors is an integer number (1172528721).

Almost surely, 2^16389630324 is an apocalyptic number.

It is an amenable number.

16389630324 is an abundant number, since it is smaller than the sum of its proper divisors (25821403632).

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

16389630324 is a wasteful number, since it uses less digits than its factorization.

16389630324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590016 (or 8590011 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 16389630324 in words is "sixteen billion, three hundred eighty-nine million, six hundred thirty thousand, three hundred twenty-four".