208385011642 has 8 divisors (see below), whose sum is σ = 313954511616. Its totient is φ = 103733507772.

The previous prime is 208385011621. The next prime is 208385011649. The reversal of 208385011642 is 246110583802.

208385011642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 208385011595 and 208385011604.

It is not an unprimeable number, because it can be changed into a prime (208385011649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229498458 + ... + 229499365.

It is an arithmetic number, because the mean of its divisors is an integer number (39244313952).

Almost surely, 2^208385011642 is an apocalyptic number.

208385011642 is a deficient number, since it is larger than the sum of its proper divisors (105569499974).

208385011642 is a wasteful number, since it uses less digits than its factorization.

208385011642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458998052.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 208385011642 in words is "two hundred eight billion, three hundred eighty-five million, eleven thousand, six hundred forty-two".