16479547156800 has 5376 divisors, whose sum is σ = 82036749312000. Its totient is φ = 3121667112960.

The previous prime is 16479547156783. The next prime is 16479547156829. The reversal of 16479547156800 is 865174597461.

16479547156800 is a `hidden beast` number, since 1 + 6 + 4 + 7 + 9 + 547 + 1 + 5 + 6 + 80 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 185163451156 + ... + 185163451244.

It is an arithmetic number, because the mean of its divisors is an integer number (15259812000).

Almost surely, 2^{16479547156800} is an apocalyptic number.

16479547156800 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 16479547156800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41018374656000).

16479547156800 is an abundant number, since it is smaller than the sum of its proper divisors (65557202155200).

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

16479547156800 is a wasteful number, since it uses less digits than its factorization.

16479547156800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 16479547156800 in words is "sixteen trillion, four hundred seventy-nine billion, five hundred forty-seven million, one hundred fifty-six thousand, eight hundred".