208590150812 has 6 divisors (see below), whose sum is σ = 365032763928. Its totient is φ = 104295075404.

The previous prime is 208590150767. The next prime is 208590150817. The reversal of 208590150812 is 218051095802.

It is a self number, because there is not a number n which added to its sum of digits gives 208590150812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208590150817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26073768848 + ... + 26073768855.

It is an arithmetic number, because the mean of its divisors is an integer number (60838793988).

Almost surely, 2^208590150812 is an apocalyptic number.

It is an amenable number.

208590150812 is a deficient number, since it is larger than the sum of its proper divisors (156442613116).

208590150812 is a wasteful number, since it uses less digits than its factorization.

208590150812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52147537707 (or 52147537705 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 41.

The spelling of 208590150812 in words is "two hundred eight billion, five hundred ninety million, one hundred fifty thousand, eight hundred twelve".