208615074468 has 24 divisors (see below), whose sum is σ = 498640910880. Its totient is φ = 67842300480.

The previous prime is 208615074431. The next prime is 208615074491. The reversal of 208615074468 is 864470516802.

It is a self number, because there is not a number n which added to its sum of digits gives 208615074468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212006698 + ... + 212007681.

It is an arithmetic number, because the mean of its divisors is an integer number (20776704620).

Almost surely, 2^208615074468 is an apocalyptic number.

It is an amenable number.

208615074468 is an abundant number, since it is smaller than the sum of its proper divisors (290025836412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208615074468 is a wasteful number, since it uses less digits than its factorization.

208615074468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424014427 (or 424014425 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 208615074468 in words is "two hundred eight billion, six hundred fifteen million, seventy-four thousand, four hundred sixty-eight".