208952161873 has 8 divisors (see below), whose sum is σ = 257171891648. Its totient is φ = 165324787344.

The previous prime is 208952161849. The next prime is 208952161909. The reversal of 208952161873 is 378161259802.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 208952161873 - 2⁵ = 208952161841 is a prime.

It is a super-2 number, since 2×208952161873² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 208952161873.

It is not an unprimeable number, because it can be changed into a prime (208952161373) by changing a digit.

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, 1148088711 + ... + 1148088892.

It is an arithmetic number, because the mean of its divisors is an integer number (32146486456).

Almost surely, 2^208952161873 is an apocalyptic number.

It is an amenable number.

208952161873 is a deficient number, since it is larger than the sum of its proper divisors (48219729775).

208952161873 is a wasteful number, since it uses less digits than its factorization.

208952161873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296177623.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 208952161873 in words is "two hundred eight billion, nine hundred fifty-two million, one hundred sixty-one thousand, eight hundred seventy-three".