166530635 has 8 divisors (see below), whose sum is σ = 204088896. Its totient is φ = 130389760.

The previous prime is 166530631. The next prime is 166530641. The reversal of 166530635 is 536035661.

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

It is not a de Polignac number, because 166530635 - 2² = 166530631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166530595 and 166530604.

It is not an unprimeable number, because it can be changed into a prime (166530631) 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, 354086 + ... + 354555.

It is an arithmetic number, because the mean of its divisors is an integer number (25511112).

Almost surely, 2^166530635 is an apocalyptic number.

166530635 is a deficient number, since it is larger than the sum of its proper divisors (37558261).

166530635 is an equidigital number, since it uses as much as digits as its factorization.

166530635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708693.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 166530635 is about 12904.6749281026. The cubic root of 166530635 is about 550.1714451744.

The spelling of 166530635 in words is "one hundred sixty-six million, five hundred thirty thousand, six hundred thirty-five".