208161213 has 8 divisors (see below), whose sum is σ = 298898208. Its totient is φ = 128099184.

The previous prime is 208161211. The next prime is 208161259. The reversal of 208161213 is 312161802.

208161213 is digitally balanced in base 2, 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 not a de Polignac number, because 208161213 - 2¹ = 208161211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208161211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668695 + ... + 2668772.

It is an arithmetic number, because the mean of its divisors is an integer number (37362276).

Almost surely, 2^208161213 is an apocalyptic number.

It is an amenable number.

208161213 is a deficient number, since it is larger than the sum of its proper divisors (90736995).

208161213 is a wasteful number, since it uses less digits than its factorization.

208161213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337483.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 208161213 is about 14427.7930744795. The cubic root of 208161213 is about 592.6522487916.

The spelling of 208161213 in words is "two hundred eight million, one hundred sixty-one thousand, two hundred thirteen".