606656555600 has 120 divisors (see below), whose sum is σ = 1535351106240. Its totient is φ = 229718799360.

The previous prime is 606656555599. The next prime is 606656555627. The reversal of 606656555600 is 6555656606.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10360004 + ... + 10418396.

It is an arithmetic number, because the mean of its divisors is an integer number (12794592552).

Almost surely, 2^606656555600 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 606656555600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767675553120).

606656555600 is an abundant number, since it is smaller than the sum of its proper divisors (928694550640).

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

606656555600 is a wasteful number, since it uses less digits than its factorization.

606656555600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59797 (or 59786 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 606656555600 in words is "six hundred six billion, six hundred fifty-six million, five hundred fifty-five thousand, six hundred".