3581012160 has 448 divisors, whose sum is σ = 14132966400. Its totient is φ = 846028800.

The previous prime is 3581012159. The next prime is 3581012173. The reversal of 3581012160 is 612101853.

3581012160 is a `hidden beast` number, since 3 + 581 + 0 + 1 + 21 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3896181 + ... + 3897099.

It is an arithmetic number, because the mean of its divisors is an integer number (31546800).

Almost surely, 2^3581012160 is an apocalyptic number.

3581012160 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 3581012160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7066483200).

3581012160 is an abundant number, since it is smaller than the sum of its proper divisors (10551954240).

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

3581012160 is a wasteful number, since it uses less digits than its factorization.

3581012160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 3581012160 is about 59841.5588032264. The cubic root of 3581012160 is about 1529.9195651679.

The spelling of 3581012160 in words is "three billion, five hundred eighty-one million, twelve thousand, one hundred sixty".