166115530 has 16 divisors (see below), whose sum is σ = 341723520. Its totient is φ = 56953872.

The previous prime is 166115513. The next prime is 166115549. The reversal of 166115530 is 35511661.

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, 1186470 + ... + 1186609.

It is an arithmetic number, because the mean of its divisors is an integer number (21357720).

Almost surely, 2^166115530 is an apocalyptic number.

166115530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166115530 is an abundant number, since it is smaller than the sum of its proper divisors (175607990).

166115530 is a wasteful number, since it uses less digits than its factorization.

166115530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373093.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 166115530 is about 12888.5813804313. The cubic root of 166115530 is about 549.7139338817.

The spelling of 166115530 in words is "one hundred sixty-six million, one hundred fifteen thousand, five hundred thirty".