16098225 has 96 divisors (see below), whose sum is σ = 33331200. Its totient is φ = 6739200.

The previous prime is 16098221. The next prime is 16098233. The reversal of 16098225 is 52289061.

It is not a de Polignac number, because 16098225 - 2² = 16098221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (16098221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 203736 + ... + 203814.

It is an arithmetic number, because the mean of its divisors is an integer number (347200).

Almost surely, 2^16098225 is an apocalyptic number.

16098225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16098225 is the 2145-th nonagonal number.

It is an amenable number.

16098225 is an abundant number, since it is smaller than the sum of its proper divisors (17232975).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16098225 is a wasteful number, since it uses less digits than its factorization.

16098225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 16098225 is about 4012.2593385772. The cubic root of 16098225 is about 252.4988073008.

The spelling of 16098225 in words is "sixteen million, ninety-eight thousand, two hundred twenty-five".