16718486353 has 8 divisors (see below), whose sum is σ = 17684356608. Its totient is φ = 15772531104.

The previous prime is 16718486333. The next prime is 16718486377. The reversal of 16718486353 is 35368481761.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16718486353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16718486353.

It is not an unprimeable number, because it can be changed into a prime (16718486333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4977025 + ... + 4980382.

It is an arithmetic number, because the mean of its divisors is an integer number (2210544576).

Almost surely, 2^16718486353 is an apocalyptic number.

It is an amenable number.

16718486353 is a deficient number, since it is larger than the sum of its proper divisors (965870255).

16718486353 is an equidigital number, since it uses as much as digits as its factorization.

16718486353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957503.

The product of its digits is 2903040, while the sum is 52.

The spelling of 16718486353 in words is "sixteen billion, seven hundred eighteen million, four hundred eighty-six thousand, three hundred fifty-three".