166660315 has 8 divisors (see below), whose sum is σ = 200160000. Its totient is φ = 133216512.

The previous prime is 166660301. The next prime is 166660327. The reversal of 166660315 is 513066661.

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 166660315 - 2¹¹ = 166658267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7099 + ... + 19588.

It is an arithmetic number, because the mean of its divisors is an integer number (25020000).

Almost surely, 2^166660315 is an apocalyptic number.

166660315 is a deficient number, since it is larger than the sum of its proper divisors (33499685).

166660315 is a wasteful number, since it uses less digits than its factorization.

166660315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27941.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 166660315 is about 12909.6984860220. The cubic root of 166660315 is about 550.3142171465.

The spelling of 166660315 in words is "one hundred sixty-six million, six hundred sixty thousand, three hundred fifteen".