166530814 has 8 divisors (see below), whose sum is σ = 249959160. Its totient is φ = 83211096.

The previous prime is 166530809. The next prime is 166530817. The reversal of 166530814 is 418035661.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 166530814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166530817) 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, 23209 + ... + 29524.

It is an arithmetic number, because the mean of its divisors is an integer number (31244895).

Almost surely, 2^166530814 is an apocalyptic number.

166530814 is a deficient number, since it is larger than the sum of its proper divisors (83428346).

166530814 is a wasteful number, since it uses less digits than its factorization.

166530814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54314.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 166530814 is about 12904.6818635718. The cubic root of 166530814 is about 550.1716422966.

The spelling of 166530814 in words is "one hundred sixty-six million, five hundred thirty thousand, eight hundred fourteen".