204106003666351 has 2 divisors, whose sum is σ = 204106003666352. Its totient is φ = 204106003666350.

The previous prime is 204106003666333. The next prime is 204106003666423. The reversal of 204106003666351 is 153666300601402.

204106003666351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204106003666351 - 2³¹ = 204103856182703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204106003666298 and 204106003666307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204106003666321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102053001833175 + 102053001833176.

It is an arithmetic number, because the mean of its divisors is an integer number (102053001833176).

Almost surely, 2^{204106003666351} is an apocalyptic number.

204106003666351 is a deficient number, since it is larger than the sum of its proper divisors (1).

204106003666351 is an equidigital number, since it uses as much as digits as its factorization.

204106003666351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 204106003666351 in words is "two hundred four trillion, one hundred six billion, three million, six hundred sixty-six thousand, three hundred fifty-one".