176130072009 has 12 divisors (see below), whose sum is σ = 254567849796. Its totient is φ = 117347242272.

The previous prime is 176130071989. The next prime is 176130072017. The reversal of 176130072009 is 900270031671.

It is a happy number.

176130072009 is a `hidden beast` number, since 17 + 613 + 0 + 0 + 7 + 20 + 0 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 77923047609 + 98207024400 = 279147^2 + 313380^2 .

It is not a de Polignac number, because 176130072009 - 2⁵ = 176130071977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (176130070009) 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 11 ways as a sum of consecutive naturals, for example, 6051822 + ... + 6080855.

It is an arithmetic number, because the mean of its divisors is an integer number (21213987483).

Almost surely, 2^176130072009 is an apocalyptic number.

It is an amenable number.

176130072009 is a deficient number, since it is larger than the sum of its proper divisors (78437777787).

176130072009 is a wasteful number, since it uses less digits than its factorization.

176130072009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12134296 (or 12134293 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The spelling of 176130072009 in words is "one hundred seventy-six billion, one hundred thirty million, seventy-two thousand, nine".