16345686459 has 8 divisors (see below), whose sum is σ = 21795088960. Its totient is φ = 10896704136.

The previous prime is 16345686457. The next prime is 16345686493. The reversal of 16345686459 is 95468654361.

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

It is not a de Polignac number, because 16345686459 - 2¹ = 16345686457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16345686399 and 16345686408.

It is not an unprimeable number, because it can be changed into a prime (16345686451) 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, 1032 + ... + 180810.

It is an arithmetic number, because the mean of its divisors is an integer number (2724386120).

Almost surely, 2^16345686459 is an apocalyptic number.

16345686459 is a deficient number, since it is larger than the sum of its proper divisors (5449402501).

16345686459 is a wasteful number, since it uses less digits than its factorization.

16345686459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210089.

The product of its digits is 18662400, while the sum is 57.

The spelling of 16345686459 in words is "sixteen billion, three hundred forty-five million, six hundred eighty-six thousand, four hundred fifty-nine".