16198330 has 16 divisors (see below), whose sum is σ = 29207304. Its totient is φ = 6468160.

The previous prime is 16198313. The next prime is 16198339. The reversal of 16198330 is 3389161.

It can be written as a sum of positive squares in 4 ways, for example, as 8946081 + 7252249 = 2991^2 + 2693^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16198292 and 16198301.

It is not an unprimeable number, because it can be changed into a prime (16198339) 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, 7224 + ... + 9196.

Almost surely, 2^16198330 is an apocalyptic number.

16198330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16198330 is a deficient number, since it is larger than the sum of its proper divisors (13008974).

16198330 is a wasteful number, since it uses less digits than its factorization.

16198330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 16198330 is about 4024.7148967349. The cubic root of 16198330 is about 253.0211046464.

The spelling of 16198330 in words is "sixteen million, one hundred ninety-eight thousand, three hundred thirty".