130516618 has 8 divisors (see below), whose sum is σ = 196401348. Its totient is φ = 65049504.

The previous prime is 130516591. The next prime is 130516657. The reversal of 130516618 is 816615031.

It can be written as a sum of positive squares in 2 ways, for example, as 76685049 + 53831569 = 8757^2 + 7337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 130516618.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103621 + ... + 104872.

Almost surely, 2^130516618 is an apocalyptic number.

130516618 is a deficient number, since it is larger than the sum of its proper divisors (65884730).

130516618 is a wasteful number, since it uses less digits than its factorization.

130516618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208808.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 130516618 is about 11424.3869857424. The cubic root of 130516618 is about 507.2498616050.

The spelling of 130516618 in words is "one hundred thirty million, five hundred sixteen thousand, six hundred eighteen".