208166843484 has 48 divisors (see below), whose sum is σ = 539732608800. Its totient is φ = 69383703168.

The previous prime is 208166843473. The next prime is 208166843491. The reversal of 208166843484 is 484348661802.

It is a happy number.

208166843484 is a `hidden beast` number, since 2 + 0 + 81 + 6 + 6 + 84 + 3 + 484 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 208166843484.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1523952 + ... + 1654920.

It is an arithmetic number, because the mean of its divisors is an integer number (11244429350).

Almost surely, 2^208166843484 is an apocalyptic number.

It is an amenable number.

208166843484 is an abundant number, since it is smaller than the sum of its proper divisors (331565765316).

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

208166843484 is a wasteful number, since it uses less digits than its factorization.

208166843484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145699 (or 145691 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 208166843484 in words is "two hundred eight billion, one hundred sixty-six million, eight hundred forty-three thousand, four hundred eighty-four".