16322509644480 has 448 divisors, whose sum is σ = 62119304849280. Its totient is φ = 4010869260288.

The previous prime is 16322509644461. The next prime is 16322509644491. The reversal of 16322509644480 is 8444690522361.

16322509644480 is a `hidden beast` number, since 1 + 6 + 3 + 22 + 50 + 96 + 4 + 4 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 64682712 + ... + 64934568.

It is an arithmetic number, because the mean of its divisors is an integer number (138659162610).

Almost surely, 2^{16322509644480} is an apocalyptic number.

16322509644480 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 16322509644480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31059652424640).

16322509644480 is an abundant number, since it is smaller than the sum of its proper divisors (45796795204800).

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

16322509644480 is a wasteful number, since it uses less digits than its factorization.

16322509644480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252473 (or 252457 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 16322509644480 in words is "sixteen trillion, three hundred twenty-two billion, five hundred nine million, six hundred forty-four thousand, four hundred eighty".