604521006606 has 24 divisors (see below), whose sum is σ = 1428867834264. Its totient is φ = 183188183760.

The previous prime is 604521006569. The next prime is 604521006611. The reversal of 604521006606 is 606600125406.

It is a happy number.

604521006606 is a `hidden beast` number, since 6 + 0 + 45 + 2 + 1 + 0 + 0 + 6 + 606 = 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 11 ways as a sum of consecutive naturals, for example, 1526568001 + ... + 1526568396.

It is an arithmetic number, because the mean of its divisors is an integer number (59536159761).

Almost surely, 2^604521006606 is an apocalyptic number.

604521006606 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

604521006606 is an abundant number, since it is smaller than the sum of its proper divisors (824346827658).

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

604521006606 is a wasteful number, since it uses less digits than its factorization.

604521006606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053136416 (or 3053136413 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 604521006606 in words is "six hundred four billion, five hundred twenty-one million, six thousand, six hundred six".