206669064 has 96 divisors (see below), whose sum is σ = 620524800. Its totient is φ = 57133440.

The previous prime is 206669063. The next prime is 206669081. The reversal of 206669064 is 460966602.

It is not an unprimeable number, because it can be changed into a prime (206669063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33622 + ... + 39290.

It is an arithmetic number, because the mean of its divisors is an integer number (6463800).

Almost surely, 2^206669064 is an apocalyptic number.

206669064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206669064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310262400).

206669064 is an abundant number, since it is smaller than the sum of its proper divisors (413855736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206669064 is a wasteful number, since it uses less digits than its factorization.

206669064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723 (or 5712 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 206669064 is about 14375.9891485769. The cubic root of 206669064 is about 591.2327609483.

The spelling of 206669064 in words is "two hundred six million, six hundred sixty-nine thousand, sixty-four".