198824708126 has 16 divisors (see below), whose sum is σ = 328038365808. Its totient is φ = 90374866120.

The previous prime is 198824708107. The next prime is 198824708171. The reversal of 198824708126 is 621807428891.

It is a super-2 number, since 2×198824708126² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37342325 + ... + 37347648.

It is an arithmetic number, because the mean of its divisors is an integer number (20502397863).

Almost surely, 2^198824708126 is an apocalyptic number.

198824708126 is a deficient number, since it is larger than the sum of its proper divisors (129213657682).

198824708126 is an equidigital number, since it uses as much as digits as its factorization.

198824708126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74690008 (or 74689986 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 198824708126 in words is "one hundred ninety-eight billion, eight hundred twenty-four million, seven hundred eight thousand, one hundred twenty-six".