3615405603660 has 72 divisors (see below), whose sum is σ = 10997797749120. Its totient is φ = 961376959488.

The previous prime is 3615405603659. The next prime is 3615405603713. The reversal of 3615405603660 is 663065045163.

3615405603660 is a `hidden beast` number, since 3 + 6 + 1 + 54 + 0 + 560 + 36 + 6 + 0 = 666.

It is a super-2 number, since 2×3615405603660² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28386300 + ... + 28513379.

It is an arithmetic number, because the mean of its divisors is an integer number (152747190960).

Almost surely, 2^{3615405603660} is an apocalyptic number.

3615405603660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3615405603660 is an abundant number, since it is smaller than the sum of its proper divisors (7382392145460).

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

3615405603660 is a wasteful number, since it uses less digits than its factorization.

3615405603660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56900047 (or 56900042 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 3615405603660 in words is "three trillion, six hundred fifteen billion, four hundred five million, six hundred three thousand, six hundred sixty".