166830255 has 12 divisors (see below), whose sum is σ = 289172520. Its totient is φ = 88976112.

The previous prime is 166830221. The next prime is 166830259. The reversal of 166830255 is 552038661.

It is not a de Polignac number, because 166830255 - 2¹⁵ = 166797487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166830259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1853625 + ... + 1853714.

It is an arithmetic number, because the mean of its divisors is an integer number (24097710).

Almost surely, 2^166830255 is an apocalyptic number.

166830255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

166830255 is a deficient number, since it is larger than the sum of its proper divisors (122342265).

166830255 is a wasteful number, since it uses less digits than its factorization.

166830255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707350 (or 3707347 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 166830255 is about 12916.2786823450. The cubic root of 166830255 is about 550.5012015308.

The spelling of 166830255 in words is "one hundred sixty-six million, eight hundred thirty thousand, two hundred fifty-five".