610666056 has 384 divisors, whose sum is σ = 2290579200. Its totient is φ = 141834240.

The previous prime is 610666051. The next prime is 610666057. The reversal of 610666056 is 650666016.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 610666056.

It is not an unprimeable number, because it can be changed into a prime (610666051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2666550 + ... + 2666778.

It is an arithmetic number, because the mean of its divisors is an integer number (5965050).

Almost surely, 2^610666056 is an apocalyptic number.

610666056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 610666056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145289600).

610666056 is an abundant number, since it is smaller than the sum of its proper divisors (1679913144).

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

610666056 is a wasteful number, since it uses less digits than its factorization.

610666056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 302 counting only the distinct ones).

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

The square root of 610666056 is about 24711.6583012958. The cubic root of 610666056 is about 848.4011726192.

It can be divided in two parts, 610 and 666056, that added together give a palindrome (666666).

The spelling of 610666056 in words is "six hundred ten million, six hundred sixty-six thousand, fifty-six".