166682120 has 32 divisors (see below), whose sum is σ = 409129920. Its totient is φ = 60611520.

The previous prime is 166682099. The next prime is 166682123. The reversal of 166682120 is 21286661.

It is not an unprimeable number, because it can be changed into a prime (166682123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188972 + ... + 189851.

It is an arithmetic number, because the mean of its divisors is an integer number (12785310).

Almost surely, 2^166682120 is an apocalyptic number.

166682120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166682120 is an abundant number, since it is smaller than the sum of its proper divisors (242447800).

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

166682120 is a wasteful number, since it uses less digits than its factorization.

166682120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378845 (or 378841 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 166682120 is about 12910.5429785118. The cubic root of 166682120 is about 550.3382162176.

It can be divided in two parts, 166 and 682120, that added together give a palindrome (682286).

The spelling of 166682120 in words is "one hundred sixty-six million, six hundred eighty-two thousand, one hundred twenty".