16845113898 has 48 divisors (see below), whose sum is σ = 38529036000. Its totient is φ = 5304229920.

The previous prime is 16845113869. The next prime is 16845113899. The reversal of 16845113898 is 89831154861.

It is a happy number.

16845113898 is a `hidden beast` number, since 1 + 6 + 8 + 4 + 511 + 38 + 98 = 666.

It is not an unprimeable number, because it can be changed into a prime (16845113899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48793 + ... + 189923.

It is an arithmetic number, because the mean of its divisors is an integer number (802688250).

Almost surely, 2^16845113898 is an apocalyptic number.

16845113898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16845113898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19264518000).

16845113898 is an abundant number, since it is smaller than the sum of its proper divisors (21683922102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16845113898 is a wasteful number, since it uses less digits than its factorization.

16845113898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141507 (or 141504 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 54.

The spelling of 16845113898 in words is "sixteen billion, eight hundred forty-five million, one hundred thirteen thousand, eight hundred ninety-eight".