61068164105 has 8 divisors (see below), whose sum is σ = 78918858312. Its totient is φ = 45096490368.

The previous prime is 61068164051. The next prime is 61068164107. The reversal of 61068164105 is 50146186016.

It can be written as a sum of positive squares in 4 ways, for example, as 1524355849 + 59543808256 = 39043^2 + 244016^2 .

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 61068164105 - 2¹⁰ = 61068163081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61068164107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469755044 + ... + 469755173.

It is an arithmetic number, because the mean of its divisors is an integer number (9864857289).

Almost surely, 2^61068164105 is an apocalyptic number.

61068164105 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61068164105 is a deficient number, since it is larger than the sum of its proper divisors (17850694207).

61068164105 is a wasteful number, since it uses less digits than its factorization.

61068164105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939510235.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 61068164105 in words is "sixty-one billion, sixty-eight million, one hundred sixty-four thousand, one hundred five".