206104664 has 16 divisors (see below), whose sum is σ = 386898120. Its totient is φ = 102931840.

The previous prime is 206104649. The next prime is 206104669. The reversal of 206104664 is 466401602.

It is a super-4 number, since 4×206104664⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206104669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7574 + ... + 21669.

Almost surely, 2^206104664 is an apocalyptic number.

It is an amenable number.

206104664 is a deficient number, since it is larger than the sum of its proper divisors (180793456).

206104664 is a wasteful number, since it uses less digits than its factorization.

206104664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30130 (or 30126 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 206104664 is about 14356.3457746043. The cubic root of 206104664 is about 590.6940639785.

The spelling of 206104664 in words is "two hundred six million, one hundred four thousand, six hundred sixty-four".