16444650 has 48 divisors (see below), whose sum is σ = 41899104. Its totient is φ = 4265280.

The previous prime is 16444639. The next prime is 16444679. The reversal of 16444650 is 5644461.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 4069 + ... + 7031.

It is an arithmetic number, because the mean of its divisors is an integer number (872898).

Almost surely, 2^16444650 is an apocalyptic number.

16444650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16444650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20949552).

16444650 is an abundant number, since it is smaller than the sum of its proper divisors (25454454).

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

16444650 is a wasteful number, since it uses less digits than its factorization.

16444650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015 (or 3010 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 16444650 is about 4055.2003649635. The cubic root of 16444650 is about 254.2971804245.

The spelling of 16444650 in words is "sixteen million, four hundred forty-four thousand, six hundred fifty".