166130571 has 8 divisors (see below), whose sum is σ = 226220544. Its totient is φ = 108397160.

The previous prime is 166130563. The next prime is 166130599. The reversal of 166130571 is 175031661.

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

It is a cyclic number.

It is not a de Polignac number, because 166130571 - 2³ = 166130563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166130521) 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 7 ways as a sum of consecutive naturals, for example, 588975 + ... + 589256.

It is an arithmetic number, because the mean of its divisors is an integer number (28277568).

Almost surely, 2^166130571 is an apocalyptic number.

166130571 is a deficient number, since it is larger than the sum of its proper divisors (60089973).

166130571 is a wasteful number, since it uses less digits than its factorization.

166130571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178281.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 166130571 is about 12889.1648682139. The cubic root of 166130571 is about 549.7305247401.

The spelling of 166130571 in words is "one hundred sixty-six million, one hundred thirty thousand, five hundred seventy-one".