4189805616 has 20 divisors (see below), whose sum is σ = 10823664632. Its totient is φ = 1396601856.

The previous prime is 4189805611. The next prime is 4189805623. The reversal of 4189805616 is 6165089814.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 87287617 = 4189805616 / (4 + 1 + 8 + 9 + 8 + 0 + 5 + 6 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (4189805611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43643761 + ... + 43643856.

Almost surely, 2^4189805616 is an apocalyptic number.

It is an amenable number.

4189805616 is an abundant number, since it is smaller than the sum of its proper divisors (6633859016).

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

4189805616 is a wasteful number, since it uses less digits than its factorization.

4189805616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87287628 (or 87287622 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 4189805616 is about 64728.7078196375. The cubic root of 4189805616 is about 1612.1221986600.

The spelling of 4189805616 in words is "four billion, one hundred eighty-nine million, eight hundred five thousand, six hundred sixteen".