16009976505600 has 5184 divisors, whose sum is σ = 80094123648000. Its totient is φ = 3085118668800.

The previous prime is 16009976505583. The next prime is 16009976505641. The reversal of 16009976505600 is 650567990061.

16009976505600 is a `hidden beast` number, since 1 + 6 + 0 + 0 + 9 + 9 + 76 + 5 + 0 + 560 + 0 = 666.

16009976505600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 146880518346 + ... + 146880518454.

Almost surely, 2^{16009976505600} is an apocalyptic number.

16009976505600 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 16009976505600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40047061824000).

16009976505600 is an abundant number, since it is smaller than the sum of its proper divisors (64084147142400).

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

16009976505600 is a wasteful number, since it uses less digits than its factorization.

16009976505600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 16009976505600 in words is "sixteen trillion, nine billion, nine hundred seventy-six million, five hundred five thousand, six hundred".