16065735980 has 48 divisors (see below), whose sum is σ = 40234199040. Its totient is φ = 5268762048.

The previous prime is 16065735977. The next prime is 16065735989. The reversal of 16065735980 is 8953756061.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16065735989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2491460 + ... + 2497899.

It is an arithmetic number, because the mean of its divisors is an integer number (838212480).

Almost surely, 2^16065735980 is an apocalyptic number.

16065735980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16065735980 is an abundant number, since it is smaller than the sum of its proper divisors (24168463060).

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

16065735980 is a wasteful number, since it uses less digits than its factorization.

16065735980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989398 (or 4989396 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 16065735980 in words is "sixteen billion, sixty-five million, seven hundred thirty-five thousand, nine hundred eighty".