16065657700 has 18 divisors (see below), whose sum is σ = 34862477426. Its totient is φ = 6426263040.

The previous prime is 16065657691. The next prime is 16065657743. The reversal of 16065657700 is 775656061.

It can be written as a sum of positive squares in 3 ways, for example, as 36072036 + 16029585664 = 6006^2 + 126608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80328189 + ... + 80328388.

Almost surely, 2^16065657700 is an apocalyptic number.

16065657700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16065657700 is an abundant number, since it is smaller than the sum of its proper divisors (18796819726).

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

16065657700 is a wasteful number, since it uses less digits than its factorization.

16065657700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160656591 (or 160656584 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 16065657700 in words is "sixteen billion, sixty-five million, six hundred fifty-seven thousand, seven hundred".