3915661360 has 160 divisors (see below), whose sum is σ = 10469329920. Its totient is φ = 1349913600.

The previous prime is 3915661349. The next prime is 3915661439. The reversal of 3915661360 is 631665193.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1401565 + ... + 1404355.

It is an arithmetic number, because the mean of its divisors is an integer number (65433312).

Almost surely, 2^3915661360 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 3915661360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5234664960).

3915661360 is an abundant number, since it is smaller than the sum of its proper divisors (6553668560).

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

3915661360 is a wasteful number, since it uses less digits than its factorization.

3915661360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 2901 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 3915661360 is about 62575.2455848157. The cubic root of 3915661360 is about 1576.1651054834.

The spelling of 3915661360 in words is "three billion, nine hundred fifteen million, six hundred sixty-one thousand, three hundred sixty".