166282120 has 16 divisors (see below), whose sum is σ = 374134860. Its totient is φ = 66512832.

The previous prime is 166282087. The next prime is 166282121. The reversal of 166282120 is 21282661.

It can be written as a sum of positive squares in 2 ways, for example, as 162664516 + 3617604 = 12754^2 + 1902^2 .

It is not an unprimeable number, because it can be changed into a prime (166282121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2078487 + ... + 2078566.

Almost surely, 2^166282120 is an apocalyptic number.

166282120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166282120 is an abundant number, since it is smaller than the sum of its proper divisors (207852740).

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

166282120 is a wasteful number, since it uses less digits than its factorization.

166282120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157064 (or 4157060 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 166282120 is about 12895.0424582473. The cubic root of 166282120 is about 549.8976338413.

The spelling of 166282120 in words is "one hundred sixty-six million, two hundred eighty-two thousand, one hundred twenty".