3618812160 has 144 divisors (see below), whose sum is σ = 12841879680. Its totient is φ = 965007360.

The previous prime is 3618812159. The next prime is 3618812173. The reversal of 3618812160 is 612188163.

3618812160 is a `hidden beast` number, since 361 + 8 + 81 + 216 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17796 + ... + 86915.

It is an arithmetic number, because the mean of its divisors is an integer number (89179720).

Almost surely, 2^3618812160 is an apocalyptic number.

3618812160 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 3618812160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6420939840).

3618812160 is an abundant number, since it is smaller than the sum of its proper divisors (9223067520).

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

3618812160 is a wasteful number, since it uses less digits than its factorization.

3618812160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104741 (or 104721 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 3618812160 is about 60156.5637316494. The cubic root of 3618812160 is about 1535.2838458352.

The spelling of 3618812160 in words is "three billion, six hundred eighteen million, eight hundred twelve thousand, one hundred sixty".