606643520 has 112 divisors (see below), whose sum is σ = 1684934400. Its totient is φ = 207954432.

The previous prime is 606643519. The next prime is 606643537. The reversal of 606643520 is 25346606.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106997 + ... + 112523.

Almost surely, 2^606643520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606643520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842467200).

606643520 is an abundant number, since it is smaller than the sum of its proper divisors (1078290880).

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

606643520 is an equidigital number, since it uses as much as digits as its factorization.

606643520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565 (or 5541 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 606643520 is about 24630.1343885899. The cubic root of 606643520 is about 846.5342247076.

The spelling of 606643520 in words is "six hundred six million, six hundred forty-three thousand, five hundred twenty".