16263887692320 has 288 divisors, whose sum is σ = 58031590990464. Its totient is φ = 4140016742400.

The previous prime is 16263887692301. The next prime is 16263887692417. The reversal of 16263887692320 is 2329678836261.

It is a happy number.

16263887692320 is a `hidden beast` number, since 1 + 6 + 263 + 8 + 87 + 69 + 232 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15761860 + ... + 16761980.

It is an arithmetic number, because the mean of its divisors is an integer number (201498579828).

Almost surely, 2^{16263887692320} is an apocalyptic number.

16263887692320 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 16263887692320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29015795495232).

16263887692320 is an abundant number, since it is smaller than the sum of its proper divisors (41767703298144).

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

16263887692320 is a wasteful number, since it uses less digits than its factorization.

16263887692320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000656 (or 1000645 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 16263887692320 in words is "sixteen trillion, two hundred sixty-three billion, eight hundred eighty-seven million, six hundred ninety-two thousand, three hundred twenty".