16650612 has 72 divisors (see below), whose sum is σ = 48353760. Its totient is φ = 4777920.

The previous prime is 16650583. The next prime is 16650649. The reversal of 16650612 is 21605661.

It is a happy number.

16650612 is a `hidden beast` number, since 1 + 6 + 650 + 6 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6418 + ... + 8630.

It is an arithmetic number, because the mean of its divisors is an integer number (671580).

Almost surely, 2^16650612 is an apocalyptic number.

16650612 is a gapful number since it is divisible by the number (12) 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 16650612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24176880).

16650612 is an abundant number, since it is smaller than the sum of its proper divisors (31703148).

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

16650612 is a wasteful number, since it uses less digits than its factorization.

16650612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 16650612 is about 4080.5161438230. The cubic root of 16650612 is about 255.3544321647.

The spelling of 16650612 in words is "sixteen million, six hundred fifty thousand, six hundred twelve".