610065660 has 48 divisors (see below), whose sum is σ = 1716888096. Its totient is φ = 161855232.

The previous prime is 610065653. The next prime is 610065667. The reversal of 610065660 is 66560016.

It is an interprime number because it is at equal distance from previous prime (610065653) and next prime (610065667).

It is a super-2 number, since 2×610065660² = 744360219022471200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610065667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13987 + ... + 37626.

It is an arithmetic number, because the mean of its divisors is an integer number (35768502).

Almost surely, 2^610065660 is an apocalyptic number.

610065660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

610065660 is an abundant number, since it is smaller than the sum of its proper divisors (1106822436).

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

610065660 is a wasteful number, since it uses less digits than its factorization.

610065660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51822 (or 51820 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 610065660 is about 24699.5072825350. The cubic root of 610065660 is about 848.1230371345.

It can be divided in two parts, 61006 and 5660, that added together give a palindrome (66666).

The spelling of 610065660 in words is "six hundred ten million, sixty-five thousand, six hundred sixty".