16889079238 has 4 divisors (see below), whose sum is σ = 25333618860. Its totient is φ = 8444539618.

The previous prime is 16889079223. The next prime is 16889079313. The reversal of 16889079238 is 83297098861.

16889079238 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83297098861 = 197 ⋅422827913.

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, 4222269808 + ... + 4222269811.

It is an arithmetic number, because the mean of its divisors is an integer number (6333404715).

Almost surely, 2^16889079238 is an apocalyptic number.

16889079238 is a deficient number, since it is larger than the sum of its proper divisors (8444539622).

16889079238 is an equidigital number, since it uses as much as digits as its factorization.

16889079238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8444539621.

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 16889079238 in words is "sixteen billion, eight hundred eighty-nine million, seventy-nine thousand, two hundred thirty-eight".