166302873 has 48 divisors (see below), whose sum is σ = 271005696. Its totient is φ = 97405920.

The previous prime is 166302853. The next prime is 166302893. The reversal of 166302873 is 378203661.

It is a happy number.

166302873 is a `hidden beast` number, since 16 + 630 + 2 + 8 + 7 + 3 = 666.

166302873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166302853) and next prime (166302893).

It is not a de Polignac number, because 166302873 - 2⁵ = 166302841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166302853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 479086 + ... + 479432.

It is an arithmetic number, because the mean of its divisors is an integer number (5645952).

Almost surely, 2^166302873 is an apocalyptic number.

It is an amenable number.

166302873 is a deficient number, since it is larger than the sum of its proper divisors (104702823).

166302873 is a wasteful number, since it uses less digits than its factorization.

166302873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 166302873 is about 12895.8471222328. The cubic root of 166302873 is about 549.9205097241.

It can be divided in two parts, 16630 and 2873, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 166302873 in words is "one hundred sixty-six million, three hundred two thousand, eight hundred seventy-three".