16195120 has 40 divisors (see below), whose sum is σ = 38060064. Its totient is φ = 6408192.

The previous prime is 16195117. The next prime is 16195121. The reversal of 16195120 is 2159161.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (16195121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6717 + ... + 8803.

Almost surely, 2^16195120 is an apocalyptic number.

16195120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16195120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19030032).

16195120 is an abundant number, since it is smaller than the sum of its proper divisors (21864944).

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

16195120 is a wasteful number, since it uses less digits than its factorization.

16195120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 16195120 is about 4024.3160909650. The cubic root of 16195120 is about 253.0043899315.

It can be divided in two parts, 1 and 6195120, that added together give a square (6195121 = 2489²).

The spelling of 16195120 in words is "sixteen million, one hundred ninety-five thousand, one hundred twenty".