3651016320 has 768 divisors, whose sum is σ = 15642132480. Its totient is φ = 766402560.

The previous prime is 3651016301. The next prime is 3651016321. The reversal of 3651016320 is 236101563.

3651016320 is a `hidden beast` number, since 3 + 651 + 0 + 1 + 6 + 3 + 2 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3651016321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28748097 + ... + 28748223.

It is an arithmetic number, because the mean of its divisors is an integer number (20367360).

Almost surely, 2^3651016320 is an apocalyptic number.

3651016320 is a gapful number since it is divisible by the number (30) 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 3651016320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7821066240).

3651016320 is an abundant number, since it is smaller than the sum of its proper divisors (11991116160).

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

3651016320 is a wasteful number, since it uses less digits than its factorization.

3651016320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3651016320 is about 60423.6404067150. The cubic root of 3651016320 is about 1539.8246159971.

Adding to 3651016320 its reverse (236101563), we get a palindrome (3887117883).

The spelling of 3651016320 in words is "three billion, six hundred fifty-one million, sixteen thousand, three hundred twenty".