16660265116456 has 16 divisors (see below), whose sum is σ = 33640919946900. Its totient is φ = 7689353130624.

The previous prime is 16660265116403. The next prime is 16660265116457. The reversal of 16660265116456 is 65461156206661.

It can be written as a sum of positive squares in 2 ways, for example, as 16060585244356 + 599679872100 = 4007566^2 + 774390^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16660265116397 and 16660265116406.

It is not an unprimeable number, because it can be changed into a prime (16660265116457) 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, 80097428341 + ... + 80097428548.

Almost surely, 2^{16660265116456} is an apocalyptic number.

It is an amenable number.

16660265116456 is an abundant number, since it is smaller than the sum of its proper divisors (16980654830444).

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

16660265116456 is a wasteful number, since it uses less digits than its factorization.

16660265116456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160194856908 (or 160194856904 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 16660265116456 in words is "sixteen trillion, six hundred sixty billion, two hundred sixty-five million, one hundred sixteen thousand, four hundred fifty-six".