16198101 has 12 divisors (see below), whose sum is σ = 23443212. Its totient is φ = 10777536.

The previous prime is 16198099. The next prime is 16198159. The reversal of 16198101 is 10189161.

It can be written as a sum of positive squares in 2 ways, for example, as 9180900 + 7017201 = 3030^2 + 2649^2 .

It is not a de Polignac number, because 16198101 - 2¹ = 16198099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16198181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4095 + ... + 7011.

It is an arithmetic number, because the mean of its divisors is an integer number (1953601).

Almost surely, 2^16198101 is an apocalyptic number.

It is an amenable number.

16198101 is a deficient number, since it is larger than the sum of its proper divisors (7245111).

16198101 is a wasteful number, since it uses less digits than its factorization.

16198101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540 (or 3537 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 16198101 is about 4024.6864474143. The cubic root of 16198101 is about 253.0199122990.

The spelling of 16198101 in words is "sixteen million, one hundred ninety-eight thousand, one hundred one".