198273771696 has 720 divisors, whose sum is σ = 711125163648. Its totient is φ = 47048601600.

The previous prime is 198273771671. The next prime is 198273771701. The reversal of 198273771696 is 696177372891.

It is a Harshad number since it is a multiple of its sum of digits (66).

Its product of digits (48009024) is a multiple of the sum of its prime divisors (504).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 599014251 + ... + 599014581.

Almost surely, 2^198273771696 is an apocalyptic number.

198273771696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198273771696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355562581824).

198273771696 is an abundant number, since it is smaller than the sum of its proper divisors (512851391952).

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

198273771696 is a wasteful number, since it uses less digits than its factorization.

198273771696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 504 counting only the distinct ones).

The product of its digits is 48009024, while the sum is 66.

It can be divided in two parts, 198273 and 771696, that added together give a palindrome (969969).

The spelling of 198273771696 in words is "one hundred ninety-eight billion, two hundred seventy-three million, seven hundred seventy-one thousand, six hundred ninety-six".