206664052 has 48 divisors (see below), whose sum is σ = 421908480. Its totient is φ = 86752512.

The previous prime is 206664049. The next prime is 206664061. The reversal of 206664052 is 250466602.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 316158 + ... + 316810.

It is an arithmetic number, because the mean of its divisors is an integer number (8789760).

Almost surely, 2^206664052 is an apocalyptic number.

It is an amenable number.

206664052 is an abundant number, since it is smaller than the sum of its proper divisors (215244428).

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

206664052 is a wasteful number, since it uses less digits than its factorization.

206664052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 206664052 is about 14375.8148290801. The cubic root of 206664052 is about 591.2279815158.

The spelling of 206664052 in words is "two hundred six million, six hundred sixty-four thousand, fifty-two".