3618348560 has 80 divisors (see below), whose sum is σ = 8748926640. Its totient is φ = 1390018560.

The previous prime is 3618348557. The next prime is 3618348583. The reversal of 3618348560 is 658438163.

It can be written as a sum of positive squares in 8 ways, for example, as 266864896 + 3351483664 = 16336^2 + 57892^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443720 + ... + 451800.

It is an arithmetic number, because the mean of its divisors is an integer number (109361583).

Almost surely, 2^3618348560 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 3618348560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4374463320).

3618348560 is an abundant number, since it is smaller than the sum of its proper divisors (5130578080).

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

3618348560 is a wasteful number, since it uses less digits than its factorization.

3618348560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316 (or 8310 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 3618348560 is about 60152.7103296269. The cubic root of 3618348560 is about 1535.2182821497.

The spelling of 3618348560 in words is "three billion, six hundred eighteen million, three hundred forty-eight thousand, five hundred sixty".