3618080660 has 12 divisors (see below), whose sum is σ = 7597969428. Its totient is φ = 1447232256.

The previous prime is 3618080657. The next prime is 3618080663. The reversal of 3618080660 is 660808163.

It is an interprime number because it is at equal distance from previous prime (3618080657) and next prime (3618080663).

It can be written as a sum of positive squares in 2 ways, for example, as 2084105104 + 1533975556 = 45652^2 + 39166^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618080663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90451997 + ... + 90452036.

It is an arithmetic number, because the mean of its divisors is an integer number (633164119).

Almost surely, 2^3618080660 is an apocalyptic number.

It is an amenable number.

3618080660 is an abundant number, since it is smaller than the sum of its proper divisors (3979888768).

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

3618080660 is a wasteful number, since it uses less digits than its factorization.

3618080660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180904042 (or 180904040 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3618080660 is about 60150.4834560787. The cubic root of 3618080660 is about 1535.1803923848.

The spelling of 3618080660 in words is "three billion, six hundred eighteen million, eighty thousand, six hundred sixty".