166306020 has 24 divisors (see below), whose sum is σ = 465657024. Its totient is φ = 44348256.

The previous prime is 166306003. The next prime is 166306033. The reversal of 166306020 is 20603661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1385824 + ... + 1385943.

It is an arithmetic number, because the mean of its divisors is an integer number (19402376).

Almost surely, 2^166306020 is an apocalyptic number.

166306020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166306020 is an abundant number, since it is smaller than the sum of its proper divisors (299351004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166306020 is a wasteful number, since it uses less digits than its factorization.

166306020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771779 (or 2771777 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 166306020 is about 12895.9691376802. The cubic root of 166306020 is about 549.9239784734.

Adding to 166306020 its reverse (20603661), we get a palindrome (186909681).

It can be divided in two parts, 16 and 6306020, that added together give a palindrome (6306036).

The spelling of 166306020 in words is "one hundred sixty-six million, three hundred six thousand, twenty".