16657457201713 has 4 divisors (see below), whose sum is σ = 16673127435328. Its totient is φ = 16641786968100.

The previous prime is 16657457201677. The next prime is 16657457201797. The reversal of 16657457201713 is 31710275475661.

It is a happy number.

16657457201713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16657457201713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16657457201813) 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, 7835115213 + ... + 7835117338.

It is an arithmetic number, because the mean of its divisors is an integer number (4168281858832).

Almost surely, 2^{16657457201713} is an apocalyptic number.

It is an amenable number.

16657457201713 is a deficient number, since it is larger than the sum of its proper divisors (15670233615).

16657457201713 is a wasteful number, since it uses less digits than its factorization.

16657457201713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15670233614.

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 16657457201713 in words is "sixteen trillion, six hundred fifty-seven billion, four hundred fifty-seven million, two hundred one thousand, seven hundred thirteen".