198328766 has 16 divisors (see below), whose sum is σ = 318056544. Its totient is φ = 92423424.

The previous prime is 198328729. The next prime is 198328787. The reversal of 198328766 is 667823891.

It is a super-4 number, since 4×198328766⁴ (a number of 34 digits) contains 4444 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, 24815 + ... + 31818.

It is an arithmetic number, because the mean of its divisors is an integer number (19878534).

Almost surely, 2^198328766 is an apocalyptic number.

198328766 is a deficient number, since it is larger than the sum of its proper divisors (119727778).

198328766 is a wasteful number, since it uses less digits than its factorization.

198328766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56755.

The product of its digits is 870912, while the sum is 50.

The square root of 198328766 is about 14082.9246252332. The cubic root of 198328766 is about 583.1700833698.

The spelling of 198328766 in words is "one hundred ninety-eight million, three hundred twenty-eight thousand, seven hundred sixty-six".