16446348 has 48 divisors (see below), whose sum is σ = 42910560. Its totient is φ = 5447232.

The previous prime is 16446347. The next prime is 16446349. The reversal of 16446348 is 84364461.

16446348 is a `hidden beast` number, since 1 + 644 + 6 + 3 + 4 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (16446347) and next prime (16446349).

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

It is not an unprimeable number, because it can be changed into a prime (16446347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20890 + ... + 21662.

It is an arithmetic number, because the mean of its divisors is an integer number (893970).

Almost surely, 2^16446348 is an apocalyptic number.

16446348 is a gapful number since it is divisible by the number (18) 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 16446348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21455280).

16446348 is an abundant number, since it is smaller than the sum of its proper divisors (26464212).

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

16446348 is a wasteful number, since it uses less digits than its factorization.

16446348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 975 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 16446348 is about 4055.4097203612. The cubic root of 16446348 is about 254.3059326479.

The spelling of 16446348 in words is "sixteen million, four hundred forty-six thousand, three hundred forty-eight".