16544345998 has 8 divisors (see below), whose sum is σ = 24866253000. Its totient is φ = 8255595000.

The previous prime is 16544345989. The next prime is 16544345999. The reversal of 16544345998 is 89954344561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16544345999) 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, 8287753 + ... + 8289748.

It is an arithmetic number, because the mean of its divisors is an integer number (3108281625).

Almost surely, 2^16544345998 is an apocalyptic number.

16544345998 is a deficient number, since it is larger than the sum of its proper divisors (8321907002).

16544345998 is a wasteful number, since it uses less digits than its factorization.

16544345998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16578002.

The product of its digits is 18662400, while the sum is 58.

The spelling of 16544345998 in words is "sixteen billion, five hundred forty-four million, three hundred forty-five thousand, nine hundred ninety-eight".