16315784546 has 8 divisors (see below), whose sum is σ = 24553396560. Its totient is φ = 8131319028.

The previous prime is 16315784543. The next prime is 16315784549. The reversal of 16315784546 is 64548751361.

It is an interprime number because it is at equal distance from previous prime (16315784543) and next prime (16315784549).

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

It is a super-2 number, since 2×16315784546² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16315784494 and 16315784503.

It is not an unprimeable number, because it can be changed into a prime (16315784543) 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, 13285856 + ... + 13287083.

It is an arithmetic number, because the mean of its divisors is an integer number (3069174570).

Almost surely, 2^16315784546 is an apocalyptic number.

16315784546 is a deficient number, since it is larger than the sum of its proper divisors (8237612014).

16315784546 is a wasteful number, since it uses less digits than its factorization.

16315784546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26573248.

The product of its digits is 2419200, while the sum is 50.

The spelling of 16315784546 in words is "sixteen billion, three hundred fifteen million, seven hundred eighty-four thousand, five hundred forty-six".