4321865016 has 192 divisors, whose sum is σ = 13694503680. Its totient is φ = 1205867520.

The previous prime is 4321865011. The next prime is 4321865057. The reversal of 4321865016 is 6105681234.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321865011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4423120 + ... + 4424096.

It is an arithmetic number, because the mean of its divisors is an integer number (71325540).

Almost surely, 2^4321865016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4321865016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6847251840).

4321865016 is an abundant number, since it is smaller than the sum of its proper divisors (9372638664).

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

4321865016 is a wasteful number, since it uses less digits than its factorization.

4321865016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4321865016 is about 65740.8930270954. The cubic root of 4321865016 is about 1628.8849081027.

The spelling of 4321865016 in words is "four billion, three hundred twenty-one million, eight hundred sixty-five thousand, sixteen".