204163351 has 6 divisors (see below), whose sum is σ = 237496200. Its totient is φ = 174997116.

The previous prime is 204163343. The next prime is 204163381. The reversal of 204163351 is 153361402.

It is not a de Polignac number, because 204163351 - 2³ = 204163343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204163301) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2083251 + ... + 2083348.

It is an arithmetic number, because the mean of its divisors is an integer number (39582700).

Almost surely, 2^204163351 is an apocalyptic number.

204163351 is a deficient number, since it is larger than the sum of its proper divisors (33332849).

204163351 is an equidigital number, since it uses as much as digits as its factorization.

204163351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166613 (or 4166606 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 204163351 is about 14288.5741416000. The cubic root of 204163351 is about 588.8336154218.

The spelling of 204163351 in words is "two hundred four million, one hundred sixty-three thousand, three hundred fifty-one".