16326619118 has 4 divisors (see below), whose sum is σ = 24489928680. Its totient is φ = 8163309558.

The previous prime is 16326619109. The next prime is 16326619147. The reversal of 16326619118 is 81191662361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81191662361 = 37 ⋅2194369253.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081654778 + ... + 4081654781.

It is an arithmetic number, because the mean of its divisors is an integer number (6122482170).

Almost surely, 2^16326619118 is an apocalyptic number.

16326619118 is a deficient number, since it is larger than the sum of its proper divisors (8163309562).

16326619118 is an equidigital number, since it uses as much as digits as its factorization.

16326619118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163309561.

The product of its digits is 93312, while the sum is 44.

The spelling of 16326619118 in words is "sixteen billion, three hundred twenty-six million, six hundred nineteen thousand, one hundred eighteen".