16523469198 has 48 divisors (see below), whose sum is σ = 35938805760. Its totient is φ = 5486643792.

The previous prime is 16523469197. The next prime is 16523469203. The reversal of 16523469198 is 89196432561.

16523469198 is a `hidden beast` number, since 165 + 2 + 3 + 469 + 19 + 8 = 666.

It is a super-4 number, since 4×16523469198⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16523469191) 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, 6818215 + ... + 6820637.

It is an arithmetic number, because the mean of its divisors is an integer number (748725120).

Almost surely, 2^16523469198 is an apocalyptic number.

16523469198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16523469198 is an abundant number, since it is smaller than the sum of its proper divisors (19415336562).

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

16523469198 is a wasteful number, since it uses less digits than its factorization.

16523469198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733 (or 3730 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

It can be divided in two parts, 165234 and 69198, that added together give a palindrome (234432).

The spelling of 16523469198 in words is "sixteen billion, five hundred twenty-three million, four hundred sixty-nine thousand, one hundred ninety-eight".