16198416 has 120 divisors (see below), whose sum is σ = 51793560. Its totient is φ = 4681728.

The previous prime is 16198387. The next prime is 16198423. The reversal of 16198416 is 61489161.

It is a happy number.

16198416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3920400 + 12278016 = 1980^2 + 3504^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31570 + ... + 32078.

It is an arithmetic number, because the mean of its divisors is an integer number (431613).

Almost surely, 2^16198416 is an apocalyptic number.

16198416 is a gapful number since it is divisible by the number (16) 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 16198416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25896780).

16198416 is an abundant number, since it is smaller than the sum of its proper divisors (35595144).

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

16198416 is a wasteful number, since it uses less digits than its factorization.

16198416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 544 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 16198416 is about 4024.7255807073. The cubic root of 16198416 is about 253.0215524246.

The spelling of 16198416 in words is "sixteen million, one hundred ninety-eight thousand, four hundred sixteen".