166061020 has 12 divisors (see below), whose sum is σ = 348728184. Its totient is φ = 66424400.

The previous prime is 166060991. The next prime is 166061033. The reversal of 166061020 is 20160661.

166061020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166060982 and 166061000.

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, 4151506 + ... + 4151545.

It is an arithmetic number, because the mean of its divisors is an integer number (29060682).

Almost surely, 2^166061020 is an apocalyptic number.

166061020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166061020 is an abundant number, since it is smaller than the sum of its proper divisors (182667164).

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

166061020 is a wasteful number, since it uses less digits than its factorization.

166061020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8303060 (or 8303058 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 166061020 is about 12886.4665444023. The cubic root of 166061020 is about 549.6537986558.

The spelling of 166061020 in words is "one hundred sixty-six million, sixty-one thousand, twenty".