166038850 has 12 divisors (see below), whose sum is σ = 308832354. Its totient is φ = 66415520.

The previous prime is 166038841. The next prime is 166038893. The reversal of 166038850 is 58830661.

It can be written as a sum of positive squares in 3 ways, for example, as 61324561 + 104714289 = 7831^2 + 10233^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1660339 + ... + 1660438.

Almost surely, 2^166038850 is an apocalyptic number.

166038850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166038850 is a deficient number, since it is larger than the sum of its proper divisors (142793504).

166038850 is a wasteful number, since it uses less digits than its factorization.

166038850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320789 (or 3320784 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 166038850 is about 12885.6063109192. The cubic root of 166038850 is about 549.6293370311.

The spelling of 166038850 in words is "one hundred sixty-six million, thirty-eight thousand, eight hundred fifty".