16858097443 has 8 divisors (see below), whose sum is σ = 18580247280. Its totient is φ = 15167546880.

The previous prime is 16858097437. The next prime is 16858097461. The reversal of 16858097443 is 34479085861.

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

It is a cyclic number.

It is not a de Polignac number, because 16858097443 - 2¹³ = 16858089251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16858007443) 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, 7898698 + ... + 7900831.

It is an arithmetic number, because the mean of its divisors is an integer number (2322530910).

Almost surely, 2^16858097443 is an apocalyptic number.

16858097443 is a deficient number, since it is larger than the sum of its proper divisors (1722149837).

16858097443 is a wasteful number, since it uses less digits than its factorization.

16858097443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15799637.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 16858097443 in words is "sixteen billion, eight hundred fifty-eight million, ninety-seven thousand, four hundred forty-three".