16317604647853 has 4 divisors (see below), whose sum is σ = 16436711251260. Its totient is φ = 16198498044448.

The previous prime is 16317604647847. The next prime is 16317604647859. The reversal of 16317604647853 is 35874640671361.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16317604647847) and next prime (16317604647859).

It can be written as a sum of positive squares in 2 ways, for example, as 14198562537604 + 2119042110249 = 3768098^2 + 1455693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16317604647853 is a prime.

It is a super-3 number, since 3×16317604647853³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16317604647791 and 16317604647800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16317604647859) 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, 59553301498 + ... + 59553301771.

It is an arithmetic number, because the mean of its divisors is an integer number (4109177812815).

Almost surely, 2^{16317604647853} is an apocalyptic number.

It is an amenable number.

16317604647853 is a deficient number, since it is larger than the sum of its proper divisors (119106603407).

16317604647853 is a wasteful number, since it uses less digits than its factorization.

16317604647853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119106603406.

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 16317604647853 in words is "sixteen trillion, three hundred seventeen billion, six hundred four million, six hundred forty-seven thousand, eight hundred fifty-three".