610523660 has 48 divisors (see below), whose sum is σ = 1328896800. Its totient is φ = 235329024.

The previous prime is 610523659. The next prime is 610523663. The reversal of 610523660 is 66325016.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (610523663) 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 15 ways as a sum of consecutive naturals, for example, 590504 + ... + 591536.

It is an arithmetic number, because the mean of its divisors is an integer number (27685350).

Almost surely, 2^610523660 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 610523660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664448400).

610523660 is an abundant number, since it is smaller than the sum of its proper divisors (718373140).

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

610523660 is a wasteful number, since it uses less digits than its factorization.

610523660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 610523660 is about 24708.7769830884. The cubic root of 610523660 is about 848.3352236860.

Adding to 610523660 its reverse (66325016), we get a palindrome (676848676).

The spelling of 610523660 in words is "six hundred ten million, five hundred twenty-three thousand, six hundred sixty".