998432000161 has 16 divisors (see below), whose sum is σ = 1031959139328.
Its totient is φ = 965260800000.
The previous prime is 998432000113. The next prime is 998432000177. The reversal of 998432000161 is 161000234899.
It is a happy number.
998432000161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a 5-Lehmer number, since φ(998432000161) divides (998432000161-1)5.
It is a cyclic number.
It is not a de Polignac number, because 998432000161 - 229 = 997895129249 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (998432040161) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6160161 + ... + 6320161.
It is an arithmetic number, because the mean of its divisors is an integer number (64497446208).
Almost surely, 2998432000161 is an apocalyptic number.
It is an amenable number.
998432000161 is a deficient number, since it is larger than the sum of its proper divisors (33527139167).
998432000161 is a wasteful number, since it uses less digits than its factorization.
998432000161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161112.
The product of its (nonzero) digits is 93312, while the sum is 43.
The spelling of 998432000161 in words is "nine hundred ninety-eight billion, four hundred thirty-two million, one hundred sixty-one", and thus it is an aban number.