16194782459 has 8 divisors (see below), whose sum is σ = 16241720448. Its totient is φ = 16147912320.

The previous prime is 16194782441. The next prime is 16194782473. The reversal of 16194782459 is 95428749161.

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-16194782459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16194782419) 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, 482099 + ... + 514595.

It is an arithmetic number, because the mean of its divisors is an integer number (2030215056).

Almost surely, 2^16194782459 is an apocalyptic number.

16194782459 is a deficient number, since it is larger than the sum of its proper divisors (46937989).

16194782459 is an equidigital number, since it uses as much as digits as its factorization.

16194782459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33925.

The product of its digits is 4354560, while the sum is 56.

The spelling of 16194782459 in words is "sixteen billion, one hundred ninety-four million, seven hundred eighty-two thousand, four hundred fifty-nine".