1605324541216 has 24 divisors (see below), whose sum is σ = 3447799299504. Its totient is φ = 729692973120.

The previous prime is 1605324541159. The next prime is 1605324541217. The reversal of 1605324541216 is 6121454235061.

It is not an unprimeable number, because it can be changed into a prime (1605324541217) 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, 2280290190 + ... + 2280290893.

It is an arithmetic number, because the mean of its divisors is an integer number (143658304146).

Almost surely, 2^{1605324541216} is an apocalyptic number.

1605324541216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1605324541216 is an abundant number, since it is smaller than the sum of its proper divisors (1842474758288).

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

1605324541216 is a wasteful number, since it uses less digits than its factorization.

1605324541216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560581104 (or 4560581096 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 1605324541216 its reverse (6121454235061), we get a palindrome (7726778776277).

The spelling of 1605324541216 in words is "one trillion, six hundred five billion, three hundred twenty-four million, five hundred forty-one thousand, two hundred sixteen".