198396708830 has 16 divisors (see below), whose sum is σ = 357137735904. Its totient is φ = 79353425760.

The previous prime is 198396708821. The next prime is 198396708833. The reversal of 198396708830 is 38807693891.

It is a super-2 number, since 2×198396708830² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198396708833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496877 + ... + 802296.

It is an arithmetic number, because the mean of its divisors is an integer number (22321108494).

Almost surely, 2^198396708830 is an apocalyptic number.

198396708830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198396708830 is a deficient number, since it is larger than the sum of its proper divisors (158741027074).

198396708830 is a wasteful number, since it uses less digits than its factorization.

198396708830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314451.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 198396708830 in words is "one hundred ninety-eight billion, three hundred ninety-six million, seven hundred eight thousand, eight hundred thirty".