16316316849 has 8 divisors (see below), whose sum is σ = 24862959040. Its totient is φ = 9323609616.

The previous prime is 16316316799. The next prime is 16316316851. The reversal of 16316316849 is 94861361361.

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

It is not a de Polignac number, because 16316316849 - 2⁹ = 16316316337 is a prime.

It is a super-2 number, since 2×16316316849² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16316316798 and 16316316807.

It is not an unprimeable number, because it can be changed into a prime (16316316649) 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, 388483714 + ... + 388483755.

It is an arithmetic number, because the mean of its divisors is an integer number (3107869880).

Almost surely, 2^16316316849 is an apocalyptic number.

It is an amenable number.

16316316849 is a deficient number, since it is larger than the sum of its proper divisors (8546642191).

16316316849 is an equidigital number, since it uses as much as digits as its factorization.

16316316849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776967479.

The product of its digits is 559872, while the sum is 48.

The spelling of 16316316849 in words is "sixteen billion, three hundred sixteen million, three hundred sixteen thousand, eight hundred forty-nine".