68100065 has 16 divisors (see below), whose sum is σ = 89522496. Its totient is φ = 49320000.

The previous prime is 68100061. The next prime is 68100077. The reversal of 68100065 is 56000186.

It is not a de Polignac number, because 68100065 - 2² = 68100061 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 (68100061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11339 + ... + 16271.

It is an arithmetic number, because the mean of its divisors is an integer number (5595156).

Almost surely, 2^68100065 is an apocalyptic number.

It is an amenable number.

68100065 is a deficient number, since it is larger than the sum of its proper divisors (21422431).

68100065 is a wasteful number, since it uses less digits than its factorization.

68100065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 68100065 is about 8252.2763526193. The cubic root of 68100065 is about 408.3656232506.

The spelling of 68100065 in words is "sixty-eight million, one hundred thousand, sixty-five".