208576504661468 has 24 divisors (see below), whose sum is σ = 373500806477568. Its totient is φ = 101862031962096.

The previous prime is 208576504661453. The next prime is 208576504661491. The reversal of 208576504661468 is 864166405675802.

It is a junction number, because it is equal to n+sod(n) for n = 208576504661398 and 208576504661407.

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, 14035805 + ... + 24782187.

It is an arithmetic number, because the mean of its divisors is an integer number (15562533603232).

Almost surely, 2^{208576504661468} is an apocalyptic number.

It is an amenable number.

208576504661468 is a deficient number, since it is larger than the sum of its proper divisors (164924301816100).

208576504661468 is a wasteful number, since it uses less digits than its factorization.

208576504661468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10859273 (or 10859271 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 68.

The spelling of 208576504661468 in words is "two hundred eight trillion, five hundred seventy-six billion, five hundred four million, six hundred sixty-one thousand, four hundred sixty-eight".