204523666404662 has 16 divisors (see below), whose sum is σ = 340347549643200. Its totient is φ = 91389619810440.

The previous prime is 204523666404653. The next prime is 204523666404727. The reversal of 204523666404662 is 266404666325402.

It is a junction number, because it is equal to n+sod(n) for n = 204523666404598 and 204523666404607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78784153712 + ... + 78784156307.

It is an arithmetic number, because the mean of its divisors is an integer number (21271721852700).

Almost surely, 2^{204523666404662} is an apocalyptic number.

204523666404662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204523666404662 is a deficient number, since it is larger than the sum of its proper divisors (135823883238538).

204523666404662 is a wasteful number, since it uses less digits than its factorization.

204523666404662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157568310091.

The product of its (nonzero) digits is 59719680, while the sum is 56.

The spelling of 204523666404662 in words is "two hundred four trillion, five hundred twenty-three billion, six hundred sixty-six million, four hundred four thousand, six hundred sixty-two".