16353472320 has 672 divisors, whose sum is σ = 62907062400. Its totient is φ = 4029087744.

The previous prime is 16353472309. The next prime is 16353472361. The reversal of 16353472320 is 2327435361.

16353472320 is a `hidden beast` number, since 163 + 5 + 3 + 472 + 3 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 95 ways as a sum of consecutive naturals, for example, 117650811 + ... + 117650949.

It is an arithmetic number, because the mean of its divisors is an integer number (93611700).

Almost surely, 2^16353472320 is an apocalyptic number.

16353472320 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 16353472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31453531200).

16353472320 is an abundant number, since it is smaller than the sum of its proper divisors (46553590080).

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

16353472320 is a wasteful number, since it uses less digits than its factorization.

16353472320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 16353472320 in words is "sixteen billion, three hundred fifty-three million, four hundred seventy-two thousand, three hundred twenty".