166522030 has 8 divisors (see below), whose sum is σ = 299739672. Its totient is φ = 66608808.

The previous prime is 166522003. The next prime is 166522073. The reversal of 166522030 is 30225661.

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

It is a junction number, because it is equal to n+sod(n) for n = 166521986 and 166522004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8326092 + ... + 8326111.

It is an arithmetic number, because the mean of its divisors is an integer number (37467459).

Almost surely, 2^166522030 is an apocalyptic number.

166522030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166522030 is a deficient number, since it is larger than the sum of its proper divisors (133217642).

166522030 is a wasteful number, since it uses less digits than its factorization.

166522030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16652210.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 166522030 is about 12904.3415174894. The cubic root of 166522030 is about 550.1619688262.

Adding to 166522030 its reverse (30225661), we get a palindrome (196747691).

The spelling of 166522030 in words is "one hundred sixty-six million, five hundred twenty-two thousand, thirty".