208164961234 has 16 divisors (see below), whose sum is σ = 319142547288. Its totient is φ = 101796502912.

The previous prime is 208164961231. The next prime is 208164961309. The reversal of 208164961234 is 432169461802.

It can be written as a sum of positive squares in 4 ways, for example, as 91477817209 + 116687144025 = 302453^2 + 341595^2 .

It is not an unprimeable number, because it can be changed into a prime (208164961231) 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, 3063907 + ... + 3131110.

Almost surely, 2^208164961234 is an apocalyptic number.

208164961234 is a deficient number, since it is larger than the sum of its proper divisors (110977586054).

208164961234 is a wasteful number, since it uses less digits than its factorization.

208164961234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195389.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 208164961234 in words is "two hundred eight billion, one hundred sixty-four million, nine hundred sixty-one thousand, two hundred thirty-four".