208066222644 has 48 divisors (see below), whose sum is σ = 562443869568. Its totient is φ = 58633141248.

The previous prime is 208066222633. The next prime is 208066222667. The reversal of 208066222644 is 446222660802.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 208066222596 and 208066222605.

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, 16959477 + ... + 16971740.

It is an arithmetic number, because the mean of its divisors is an integer number (11717580616).

Almost surely, 2^208066222644 is an apocalyptic number.

It is an amenable number.

208066222644 is an abundant number, since it is smaller than the sum of its proper divisors (354377646924).

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

208066222644 is a wasteful number, since it uses less digits than its factorization.

208066222644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33931304 (or 33931302 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 208066222644 in words is "two hundred eight billion, sixty-six million, two hundred twenty-two thousand, six hundred forty-four".