166006020 has 48 divisors (see below), whose sum is σ = 492162048. Its totient is φ = 41664000.

The previous prime is 166005989. The next prime is 166006031. The reversal of 166006020 is 20600661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80356 + ... + 82395.

It is an arithmetic number, because the mean of its divisors is an integer number (10253376).

Almost surely, 2^166006020 is an apocalyptic number.

166006020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166006020 is an abundant number, since it is smaller than the sum of its proper divisors (326156028).

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

166006020 is a wasteful number, since it uses less digits than its factorization.

166006020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162780 (or 162778 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 166006020 is about 12884.3323459153. The cubic root of 166006020 is about 549.5931095246.

Adding to 166006020 its reverse (20600661), we get a palindrome (186606681).

The spelling of 166006020 in words is "one hundred sixty-six million, six thousand, twenty".