198882766 has 16 divisors (see below), whose sum is σ = 314328960. Its totient is φ = 94116600.

The previous prime is 198882727. The next prime is 198882781. The reversal of 198882766 is 667288891.

It is a super-2 number, since 2×198882766² = 79108709223621512, which 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, 53335 + ... + 56941.

It is an arithmetic number, because the mean of its divisors is an integer number (19645560).

Almost surely, 2^198882766 is an apocalyptic number.

198882766 is a deficient number, since it is larger than the sum of its proper divisors (115446194).

198882766 is a wasteful number, since it uses less digits than its factorization.

198882766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079.

The product of its digits is 2322432, while the sum is 55.

The square root of 198882766 is about 14102.5801185457. The cubic root of 198882766 is about 583.7125763187.

The spelling of 198882766 in words is "one hundred ninety-eight million, eight hundred eighty-two thousand, seven hundred sixty-six".