3611608320 has 72 divisors (see below), whose sum is σ = 11534586336. Its totient is φ = 963094528.

The previous prime is 3611608307. The next prime is 3611608337. The reversal of 3611608320 is 238061163.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466422 + ... + 474101.

It is an arithmetic number, because the mean of its divisors is an integer number (160202588).

Almost surely, 2^3611608320 is an apocalyptic number.

3611608320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3611608320 is an abundant number, since it is smaller than the sum of its proper divisors (7922978016).

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

3611608320 is an equidigital number, since it uses as much as digits as its factorization.

3611608320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940547 (or 940533 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3611608320 is about 60096.6581433610. The cubic root of 3611608320 is about 1534.2644242043.

Adding to 3611608320 its reverse (238061163), we get a palindrome (3849669483).

The spelling of 3611608320 in words is "three billion, six hundred eleven million, six hundred eight thousand, three hundred twenty".