208422149516 has 24 divisors (see below), whose sum is σ = 428110363296. Its totient is φ = 86909621760.

The previous prime is 208422149473. The next prime is 208422149527. The reversal of 208422149516 is 615941224802.

208422149516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100588805 + ... + 100590876.

It is an arithmetic number, because the mean of its divisors is an integer number (17837931804).

Almost surely, 2^208422149516 is an apocalyptic number.

It is an amenable number.

208422149516 is an abundant number, since it is smaller than the sum of its proper divisors (219688213780).

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

208422149516 is a wasteful number, since it uses less digits than its factorization.

208422149516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201179729 (or 201179727 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 208422149516 in words is "two hundred eight billion, four hundred twenty-two million, one hundred forty-nine thousand, five hundred sixteen".