208495347061 has 16 divisors (see below), whose sum is σ = 222107659200. Its totient is φ = 195150384000.

The previous prime is 208495347059. The next prime is 208495347079. The reversal of 208495347061 is 160743594802.

It is a happy number.

It is a 8-Lehmer number, since φ(208495347061) divides (208495347061-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 208495347061 - 2¹ = 208495347059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 208495346996 and 208495347014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208495347031) 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 15 ways as a sum of consecutive naturals, for example, 2152606 + ... + 2247376.

It is an arithmetic number, because the mean of its divisors is an integer number (13881728700).

It is a 1-persistent number, because it is pandigital, but 2⋅208495347061 = 416990694122 is not.

Almost surely, 2^208495347061 is an apocalyptic number.

208495347061 is the 204204-th centered decagonal number.

It is an amenable number.

208495347061 is a deficient number, since it is larger than the sum of its proper divisors (13612312139).

208495347061 is a wasteful number, since it uses less digits than its factorization.

208495347061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96180.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 208495347061 in words is "two hundred eight billion, four hundred ninety-five million, three hundred forty-seven thousand, sixty-one".