3611982320 has 20 divisors (see below), whose sum is σ = 8397859080. Its totient is φ = 1444792896.

The previous prime is 3611982317. The next prime is 3611982323. The reversal of 3611982320 is 232891163.

It is an interprime number because it is at equal distance from previous prime (3611982317) and next prime (3611982323).

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3611982323) 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, 22574810 + ... + 22574969.

It is an arithmetic number, because the mean of its divisors is an integer number (419892954).

Almost surely, 2^3611982320 is an apocalyptic number.

It is an amenable number.

3611982320 is an abundant number, since it is smaller than the sum of its proper divisors (4785876760).

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

3611982320 is a wasteful number, since it uses less digits than its factorization.

3611982320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45149792 (or 45149786 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3611982320 is about 60099.7697166969. The cubic root of 3611982320 is about 1534.3173826131.

The spelling of 3611982320 in words is "three billion, six hundred eleven million, nine hundred eighty-two thousand, three hundred twenty".