208016686894 has 16 divisors (see below), whose sum is σ = 325855918080. Its totient is φ = 99405397080.

The previous prime is 208016686877. The next prime is 208016686909. The reversal of 208016686894 is 498686610802.

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, 1780134 + ... + 1893385.

It is an arithmetic number, because the mean of its divisors is an integer number (20365994880).

Almost surely, 2^208016686894 is an apocalyptic number.

208016686894 is a deficient number, since it is larger than the sum of its proper divisors (117839231186).

208016686894 is a wasteful number, since it uses less digits than its factorization.

208016686894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674775.

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 208016686894 in words is "two hundred eight billion, sixteen million, six hundred eighty-six thousand, eight hundred ninety-four".