16000650 has 108 divisors (see below), whose sum is σ = 45620406. Its totient is φ = 4017600.

The previous prime is 16000627. The next prime is 16000667. The reversal of 16000650 is 5600061.

16000650 is a `hidden beast` number, since 1 + 600 + 0 + 65 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 14538969 + 1461681 = 3813^2 + 1209^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 432432 + ... + 432468.

Almost surely, 2^16000650 is an apocalyptic number.

16000650 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 16000650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22810203).

16000650 is an abundant number, since it is smaller than the sum of its proper divisors (29619756).

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

16000650 is a wasteful number, since it uses less digits than its factorization.

16000650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 16000650 is about 4000.0812491748. The cubic root of 16000650 is about 251.9876222189.

The spelling of 16000650 in words is "sixteen million, six hundred fifty", and thus it is an aban number.