68061099 has 4 divisors (see below), whose sum is σ = 90748136. Its totient is φ = 45374064.

The previous prime is 68061083. The next prime is 68061101. The reversal of 68061099 is 99016086.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68061099 - 2⁴ = 68061083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68161099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11343514 + ... + 11343519.

It is an arithmetic number, because the mean of its divisors is an integer number (22687034).

Almost surely, 2^68061099 is an apocalyptic number.

68061099 is a deficient number, since it is larger than the sum of its proper divisors (22687037).

68061099 is a wasteful number, since it uses less digits than its factorization.

68061099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22687036.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 68061099 is about 8249.9150904721. The cubic root of 68061099 is about 408.2877211674.

The spelling of 68061099 in words is "sixty-eight million, sixty-one thousand, ninety-nine".