200406664 has 8 divisors (see below), whose sum is σ = 375762510. Its totient is φ = 100203328.

The previous prime is 200406653. The next prime is 200406673. The reversal of 200406664 is 466604002.

200406664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 129004164 + 71402500 = 11358^2 + 8450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12525409 + ... + 12525424.

Almost surely, 2^200406664 is an apocalyptic number.

It is an amenable number.

200406664 is a deficient number, since it is larger than the sum of its proper divisors (175355846).

200406664 is a wasteful number, since it uses less digits than its factorization.

200406664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25050839 (or 25050835 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 200406664 is about 14156.5060661167. The cubic root of 200406664 is about 585.1996435503.

The spelling of 200406664 in words is "two hundred million, four hundred six thousand, six hundred sixty-four".