3616736544 has 72 divisors (see below), whose sum is σ = 10291291920. Its totient is φ = 1204852608.

The previous prime is 3616736509. The next prime is 3616736549. The reversal of 3616736544 is 4456376163.

3616736544 is a `hidden beast` number, since 36 + 1 + 6 + 73 + 6 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 3616736544.

It is not an unprimeable number, because it can be changed into a prime (3616736549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705639 + ... + 710745.

It is an arithmetic number, because the mean of its divisors is an integer number (142934610).

Almost surely, 2^3616736544 is an apocalyptic number.

It is an amenable number.

3616736544 is an abundant number, since it is smaller than the sum of its proper divisors (6674555376).

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

3616736544 is a wasteful number, since it uses less digits than its factorization.

3616736544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582 (or 7571 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 3616736544 is about 60139.3094739206. The cubic root of 3616736544 is about 1534.9902624697.

The spelling of 3616736544 in words is "three billion, six hundred sixteen million, seven hundred thirty-six thousand, five hundred forty-four".