16247740860 has 192 divisors, whose sum is σ = 54546831360. Its totient is φ = 3991368960.

The previous prime is 16247740823. The next prime is 16247740867. The reversal of 16247740860 is 6804774261.

16247740860 is a `hidden beast` number, since 1 + 62 + 477 + 40 + 86 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16247740867) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3950205 + ... + 3954315.

It is an arithmetic number, because the mean of its divisors is an integer number (284098080).

Almost surely, 2^16247740860 is an apocalyptic number.

16247740860 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 16247740860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27273415680).

16247740860 is an abundant number, since it is smaller than the sum of its proper divisors (38299090500).

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

16247740860 is a wasteful number, since it uses less digits than its factorization.

16247740860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705 (or 4697 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 16247740860 in words is "sixteen billion, two hundred forty-seven million, seven hundred forty thousand, eight hundred sixty".