338784166 has 16 divisors (see below), whose sum is σ = 581186304. Its totient is φ = 145089864.

The previous prime is 338784163. The next prime is 338784191. The reversal of 338784166 is 661487833.

It is a super-2 number, since 2×338784166² = 229549422264631112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338784161) 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, 13761 + ... + 29443.

It is an arithmetic number, because the mean of its divisors is an integer number (36324144).

Almost surely, 2^338784166 is an apocalyptic number.

338784166 is a deficient number, since it is larger than the sum of its proper divisors (242402138).

338784166 is a wasteful number, since it uses less digits than its factorization.

338784166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17235.

The product of its digits is 580608, while the sum is 46.

The square root of 338784166 is about 18406.0904594104. The cubic root of 338784166 is about 697.1202549149.

The spelling of 338784166 in words is "three hundred thirty-eight million, seven hundred eighty-four thousand, one hundred sixty-six".