130666673 has 2 divisors, whose sum is σ = 130666674. Its totient is φ = 130666672.

The previous prime is 130666661. The next prime is 130666681. The reversal of 130666673 is 376666031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109662784 + 21003889 = 10472^2 + 4583^2 .

It is a cyclic number.

It is not a de Polignac number, because 130666673 - 2⁶ = 130666609 is a prime.

It is not a weakly prime, because it can be changed into another prime (130666273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65333336 + 65333337.

It is an arithmetic number, because the mean of its divisors is an integer number (65333337).

Almost surely, 2^130666673 is an apocalyptic number.

It is an amenable number.

130666673 is a deficient number, since it is larger than the sum of its proper divisors (1).

130666673 is an equidigital number, since it uses as much as digits as its factorization.

130666673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 130666673 is about 11430.9524100138. The cubic root of 130666673 is about 507.4441822665. Note that the first 3 decimals are identical.

The spelling of 130666673 in words is "one hundred thirty million, six hundred sixty-six thousand, six hundred seventy-three".