998233166 has 64 divisors (see below), whose sum is σ = 1900247040. Its totient is φ = 384531840.

The previous prime is 998233163. The next prime is 998233169. The reversal of 998233166 is 661332899.

It is an interprime number because it is at equal distance from previous prime (998233163) and next prime (998233169).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 998233166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998233163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1581671 + ... + 1582301.

It is an arithmetic number, because the mean of its divisors is an integer number (29691360).

Almost surely, 2^998233166 is an apocalyptic number.

998233166 is a deficient number, since it is larger than the sum of its proper divisors (902013874).

998233166 is a wasteful number, since it uses less digits than its factorization.

998233166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 680 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 998233166 is about 31594.8281527215. The cubic root of 998233166 is about 999.4107081366.

The spelling of 998233166 in words is "nine hundred ninety-eight million, two hundred thirty-three thousand, one hundred sixty-six".