204150671 has 4 divisors (see below), whose sum is σ = 216159552. Its totient is φ = 192141792.

The previous prime is 204150643. The next prime is 204150673. The reversal of 204150671 is 176051402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204150671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204150671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204150673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6004415 + ... + 6004448.

It is an arithmetic number, because the mean of its divisors is an integer number (54039888).

Almost surely, 2^204150671 is an apocalyptic number.

204150671 is a deficient number, since it is larger than the sum of its proper divisors (12008881).

204150671 is a wasteful number, since it uses less digits than its factorization.

204150671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008880.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 204150671 is about 14288.1304235369. The cubic root of 204150671 is about 588.8214249140.

The spelling of 204150671 in words is "two hundred four million, one hundred fifty thousand, six hundred seventy-one".