204601966 has 4 divisors (see below), whose sum is σ = 306902952. Its totient is φ = 102300982.

The previous prime is 204601963. The next prime is 204601973. The reversal of 204601966 is 669106402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204601963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51150490 + ... + 51150493.

It is an arithmetic number, because the mean of its divisors is an integer number (76725738).

Almost surely, 2^204601966 is an apocalyptic number.

204601966 is a deficient number, since it is larger than the sum of its proper divisors (102300986).

204601966 is a wasteful number, since it uses less digits than its factorization.

204601966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102300985.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 204601966 is about 14303.9143593633. The cubic root of 204601966 is about 589.2549880184.

The spelling of 204601966 in words is "two hundred four million, six hundred one thousand, nine hundred sixty-six".