16507840506480 has 600 divisors, whose sum is σ = 59318886312576. Its totient is φ = 4254657684480.

The previous prime is 16507840506433. The next prime is 16507840506497. The reversal of 16507840506480 is 8460504870561.

16507840506480 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 78 + 40 + 50 + 6 + 480 = 666.

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 119 ways as a sum of consecutive naturals, for example, 7703144289 + ... + 7703146431.

Almost surely, 2^{16507840506480} is an apocalyptic number.

16507840506480 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 16507840506480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29659443156288).

16507840506480 is an abundant number, since it is smaller than the sum of its proper divisors (42811045806096).

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

16507840506480 is a wasteful number, since it uses less digits than its factorization.

16507840506480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467 (or 3421 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 16507840506480 in words is "sixteen trillion, five hundred seven billion, eight hundred forty million, five hundred six thousand, four hundred eighty".