1605065651016 has 32 divisors (see below), whose sum is σ = 4078445510400. Its totient is φ = 526251032640.

The previous prime is 1605065650957. The next prime is 1605065651017. The reversal of 1605065651016 is 6101565605061.

It is not an unprimeable number, because it can be changed into a prime (1605065651017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548176696 + ... + 548179623.

It is an arithmetic number, because the mean of its divisors is an integer number (127451422200).

Almost surely, 2^{1605065651016} is an apocalyptic number.

It is an amenable number.

1605065651016 is an abundant number, since it is smaller than the sum of its proper divisors (2473379859384).

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

1605065651016 is a wasteful number, since it uses less digits than its factorization.

1605065651016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096356389 (or 1096356385 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 1605065651016 in words is "one trillion, six hundred five billion, sixty-five million, six hundred fifty-one thousand, sixteen".