16432455074520 has 512 divisors, whose sum is σ = 52359229440000. Its totient is φ = 4119684366336.

The previous prime is 16432455074489. The next prime is 16432455074573. The reversal of 16432455074520 is 2547055423461.

It is a happy number.

It is a super-2 number, since 2×16432455074520² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16432455074520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9845688246 + ... + 9845689914.

It is an arithmetic number, because the mean of its divisors is an integer number (102264120000).

Almost surely, 2^{16432455074520} is an apocalyptic number.

16432455074520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16432455074520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26179614720000).

16432455074520 is an abundant number, since it is smaller than the sum of its proper divisors (35926774365480).

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

16432455074520 is a wasteful number, since it uses less digits than its factorization.

16432455074520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267 (or 2263 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 16432455074520 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-five million, seventy-four thousand, five hundred twenty".