16565505067460 has 24 divisors (see below), whose sum is σ = 34788143233536. Its totient is φ = 6626091057120.

The previous prime is 16565505067453. The next prime is 16565505067487. The reversal of 16565505067460 is 6476050556561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16565505067396 and 16565505067405.

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, 5706212 + ... + 8105051.

It is an arithmetic number, because the mean of its divisors is an integer number (1449505968064).

Almost surely, 2^{16565505067460} is an apocalyptic number.

16565505067460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16565505067460 is an abundant number, since it is smaller than the sum of its proper divisors (18222638166076).

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

16565505067460 is a wasteful number, since it uses less digits than its factorization.

16565505067460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871243 (or 13871241 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 56.

The spelling of 16565505067460 in words is "sixteen trillion, five hundred sixty-five billion, five hundred five million, sixty-seven thousand, four hundred sixty".