16397173684080 has 1280 divisors, whose sum is σ = 69293302087680. Its totient is φ = 3482660966400.

The previous prime is 16397173684063. The next prime is 16397173684081. The reversal of 16397173684080 is 8048637179361.

16397173684080 is a `hidden beast` number, since 1 + 6 + 39 + 71 + 73 + 68 + 408 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 16397173683999 and 16397173684017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16397173684081) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2856150010 + ... + 2856155750.

It is an arithmetic number, because the mean of its divisors is an integer number (54135392256).

Almost surely, 2^{16397173684080} is an apocalyptic number.

16397173684080 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 16397173684080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34646651043840).

16397173684080 is an abundant number, since it is smaller than the sum of its proper divisors (52896128403600).

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

16397173684080 is a wasteful number, since it uses less digits than its factorization.

16397173684080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027 (or 6015 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 16397173684080 in words is "sixteen trillion, three hundred ninety-seven billion, one hundred seventy-three million, six hundred eighty-four thousand, eighty".