130661165 has 16 divisors (see below), whose sum is σ = 161336448. Its totient is φ = 101539776.

The previous prime is 130661149. The next prime is 130661197. The reversal of 130661165 is 561166031.

It is a cyclic number.

It is not a de Polignac number, because 130661165 - 2⁴ = 130661149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 24902 + ... + 29688.

It is an arithmetic number, because the mean of its divisors is an integer number (10083528).

Almost surely, 2^130661165 is an apocalyptic number.

It is an amenable number.

130661165 is a deficient number, since it is larger than the sum of its proper divisors (30675283).

130661165 is a wasteful number, since it uses less digits than its factorization.

130661165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 130661165 is about 11430.7114826681. The cubic root of 130661165 is about 507.4370520581.

The spelling of 130661165 in words is "one hundred thirty million, six hundred sixty-one thousand, one hundred sixty-five".