16042736657 has 8 divisors (see below), whose sum is σ = 16419559200. Its totient is φ = 15666084000.

The previous prime is 16042736641. The next prime is 16042736683. The reversal of 16042736657 is 75663724061.

16042736657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16042736657 - 2⁴ = 16042736641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16042736687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159782 + ... + 240032.

It is an arithmetic number, because the mean of its divisors is an integer number (2052444900).

Almost surely, 2^16042736657 is an apocalyptic number.

It is an amenable number.

16042736657 is a deficient number, since it is larger than the sum of its proper divisors (376822543).

16042736657 is an equidigital number, since it uses as much as digits as its factorization.

16042736657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84943.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 16042736657 in words is "sixteen billion, forty-two million, seven hundred thirty-six thousand, six hundred fifty-seven".