198320610 has 16 divisors (see below), whose sum is σ = 475969536. Its totient is φ = 52885488.

The previous prime is 198320597. The next prime is 198320693. The reversal of 198320610 is 16023891.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 6610687 = 198320610 / (1 + 9 + 8 + 3 + 2 + 0 + 6 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3305314 + ... + 3305373.

It is an arithmetic number, because the mean of its divisors is an integer number (29748096).

Almost surely, 2^198320610 is an apocalyptic number.

198320610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198320610 is an abundant number, since it is smaller than the sum of its proper divisors (277648926).

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

198320610 is a wasteful number, since it uses less digits than its factorization.

198320610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610697.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 198320610 is about 14082.6350517224. The cubic root of 198320610 is about 583.1620892354.

The spelling of 198320610 in words is "one hundred ninety-eight million, three hundred twenty thousand, six hundred ten".