656612203223000 has 256 divisors, whose sum is σ = 1586205490521600. Its totient is φ = 254269747200000.

The previous prime is 656612203222981. The next prime is 656612203223023. The reversal of 656612203223000 is 322302216656.

656612203223000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×656612203223000² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5036501816 + ... + 5036632184.

It is an arithmetic number, because the mean of its divisors is an integer number (6196115197350).

Almost surely, 2^{656612203223000} 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 656612203223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793102745260800).

656612203223000 is an abundant number, since it is smaller than the sum of its proper divisors (929593287298600).

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

656612203223000 is a wasteful number, since it uses less digits than its factorization.

656612203223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131599 (or 131585 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 656612203223000 its reverse (322302216656), we get a palindrome (656934505439656).

The spelling of 656612203223000 in words is "six hundred fifty-six trillion, six hundred twelve billion, two hundred three million, two hundred twenty-three thousand".