665460130 has 16 divisors (see below), whose sum is σ = 1198230264. Its totient is φ = 266094720.

The previous prime is 665460109. The next prime is 665460139. The reversal of 665460130 is 31064566.

665460130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 571544649 + 93915481 = 23907^2 + 9691^2 .

It is a junction number, because it is equal to n+sod(n) for n = 665460092 and 665460101.

It is not an unprimeable number, because it can be changed into a prime (665460139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26014 + ... + 44806.

Almost surely, 2^665460130 is an apocalyptic number.

665460130 is a deficient number, since it is larger than the sum of its proper divisors (532770134).

665460130 is a wasteful number, since it uses less digits than its factorization.

665460130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22341.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 665460130 is about 25796.5139117672. The cubic root of 665460130 is about 873.0531430608.

The spelling of 665460130 in words is "six hundred sixty-five million, four hundred sixty thousand, one hundred thirty".