166064330 has 16 divisors (see below), whose sum is σ = 316499400. Its totient is φ = 62518272.

The previous prime is 166064329. The next prime is 166064333. The reversal of 166064330 is 33460661.

It can be written as a sum of positive squares in 4 ways, for example, as 115498009 + 50566321 = 10747^2 + 7111^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 166064293 and 166064302.

It is not an unprimeable number, because it can be changed into a prime (166064333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488255 + ... + 488594.

Almost surely, 2^166064330 is an apocalyptic number.

166064330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166064330 is a deficient number, since it is larger than the sum of its proper divisors (150435070).

166064330 is a wasteful number, since it uses less digits than its factorization.

166064330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976873.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 166064330 is about 12886.5949730718. The cubic root of 166064330 is about 549.6574506105.

The spelling of 166064330 in words is "one hundred sixty-six million, sixty-four thousand, three hundred thirty".