16555198 has 16 divisors (see below), whose sum is σ = 27164160. Its totient is φ = 7504600.

The previous prime is 16555183. The next prime is 16555199. The reversal of 16555198 is 89155561.

It is a self number, because there is not a number n which added to its sum of digits gives 16555198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555199) 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, 9753 + ... + 11323.

It is an arithmetic number, because the mean of its divisors is an integer number (1697760).

Almost surely, 2^16555198 is an apocalyptic number.

16555198 is a deficient number, since it is larger than the sum of its proper divisors (10608962).

16555198 is a wasteful number, since it uses less digits than its factorization.

16555198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063.

The product of its digits is 54000, while the sum is 40.

The square root of 16555198 is about 4068.8079335353. The cubic root of 16555198 is about 254.8657399088.

It can be divided in two parts, 165551 and 98, that added together give a square (165649 = 407²).

The spelling of 16555198 in words is "sixteen million, five hundred fifty-five thousand, one hundred ninety-eight".