16545198228 has 48 divisors (see below), whose sum is σ = 41688541440. Its totient is φ = 5076941184.

The previous prime is 16545198227. The next prime is 16545198239. The reversal of 16545198228 is 82289154561.

16545198228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545198221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87243 + ... + 201746.

It is an arithmetic number, because the mean of its divisors is an integer number (868511280).

Almost surely, 2^16545198228 is an apocalyptic number.

It is an amenable number.

16545198228 is an abundant number, since it is smaller than the sum of its proper divisors (25143343212).

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

16545198228 is a wasteful number, since it uses less digits than its factorization.

16545198228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289376 (or 289374 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 51.

The spelling of 16545198228 in words is "sixteen billion, five hundred forty-five million, one hundred ninety-eight thousand, two hundred twenty-eight".