16530775340660 has 48 divisors (see below), whose sum is σ = 40324251999360. Its totient is φ = 5574781376640.

The previous prime is 16530775340641. The next prime is 16530775340741. The reversal of 16530775340660 is 6604357703561.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967835450 + ... + 967852529.

It is an arithmetic number, because the mean of its divisors is an integer number (840088583320).

Almost surely, 2^{16530775340660} is an apocalyptic number.

16530775340660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16530775340660 is an abundant number, since it is smaller than the sum of its proper divisors (23793476658700).

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

16530775340660 is a wasteful number, since it uses less digits than its factorization.

16530775340660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935688056 (or 1935688054 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 53.

The spelling of 16530775340660 in words is "sixteen trillion, five hundred thirty billion, seven hundred seventy-five million, three hundred forty thousand, six hundred sixty".