656066610 has 96 divisors (see below), whose sum is σ = 1760758272. Its totient is φ = 169361280.

The previous prime is 656066597. The next prime is 656066617. The reversal of 656066610 is 16660656.

It is not an unprimeable number, because it can be changed into a prime (656066617) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 902067 + ... + 902793.

It is an arithmetic number, because the mean of its divisors is an integer number (18341232).

Almost surely, 2^656066610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 656066610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880379136).

656066610 is an abundant number, since it is smaller than the sum of its proper divisors (1104691662).

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

656066610 is a wasteful number, since it uses less digits than its factorization.

656066610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 656066610 is about 25613.7972585089. The cubic root of 656066610 is about 868.9257052958.

The spelling of 656066610 in words is "six hundred fifty-six million, sixty-six thousand, six hundred ten".