16105980240 has 240 divisors, whose sum is σ = 63254725248. Its totient is φ = 3595705344.

The previous prime is 16105980229. The next prime is 16105980259. The reversal of 16105980240 is 4208950161.

16105980240 is a `hidden beast` number, since 1 + 61 + 0 + 598 + 0 + 2 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16105980195 and 16105980204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179562 + ... + 253878.

Almost surely, 2^16105980240 is an apocalyptic number.

16105980240 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 16105980240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31627362624).

16105980240 is an abundant number, since it is smaller than the sum of its proper divisors (47148745008).

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

16105980240 is a wasteful number, since it uses less digits than its factorization.

16105980240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74386 (or 74377 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 16105980240 in words is "sixteen billion, one hundred five million, nine hundred eighty thousand, two hundred forty".