166500010 has 8 divisors (see below), whose sum is σ = 299700036. Its totient is φ = 66600000.

The previous prime is 166500001. The next prime is 166500011. The reversal of 166500010 is 10005661.

It can be written as a sum of positive squares in 2 ways, for example, as 143928009 + 22572001 = 11997^2 + 4751^2 .

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

It is not an unprimeable number, because it can be changed into a prime (166500011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8324991 + ... + 8325010.

Almost surely, 2^166500010 is an apocalyptic number.

166500010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166500010 is a deficient number, since it is larger than the sum of its proper divisors (133200026).

166500010 is a wasteful number, since it uses less digits than its factorization.

166500010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650008.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 166500010 is about 12903.4882880561. The cubic root of 166500010 is about 550.1377175794.

Adding to 166500010 its reverse (10005661), we get a palindrome (176505671).

The spelling of 166500010 in words is "one hundred sixty-six million, five hundred thousand, ten".