3618686496 has 48 divisors (see below), whose sum is σ = 9999007200. Its totient is φ = 1142742528.

The previous prime is 3618686473. The next prime is 3618686551. The reversal of 3618686496 is 6946868163.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 990141 + ... + 993788.

It is an arithmetic number, because the mean of its divisors is an integer number (208312650).

Almost surely, 2^3618686496 is an apocalyptic number.

It is an amenable number.

3618686496 is an abundant number, since it is smaller than the sum of its proper divisors (6380320704).

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

3618686496 is a wasteful number, since it uses less digits than its factorization.

3618686496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983961 (or 1983953 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The square root of 3618686496 is about 60155.5192480291. The cubic root of 3618686496 is about 1535.2660746133.

The spelling of 3618686496 in words is "three billion, six hundred eighteen million, six hundred eighty-six thousand, four hundred ninety-six".