16045116660 has 60 divisors (see below), whose sum is σ = 50334130308. Its totient is φ = 4278697344.

The previous prime is 16045116643. The next prime is 16045116709. The reversal of 16045116660 is 6661154061.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12721132944 + 3323983716 = 112788^2 + 57654^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4950577 + ... + 4953816.

Almost surely, 2^16045116660 is an apocalyptic number.

16045116660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16045116660 is an abundant number, since it is smaller than the sum of its proper divisors (34289013648).

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

16045116660 is a wasteful number, since it uses less digits than its factorization.

16045116660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9904414 (or 9904403 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 16045116660 in words is "sixteen billion, forty-five million, one hundred sixteen thousand, six hundred sixty".